AMSOIL Shipping Information
Online Store Order FREE Product Catalog Preferred Customer Program Business Accounts Dealership Opportunity
Email Price List

World's Best Oils & Filters for 1991 Buick Roadmaster

Oils & FiltersMaintenance ScheduleService BulletinRecalls
1991 Buick Roadmaster
5.0L 8-cyl Engine Code [E] Engine Code [E]
170 bhp. @ 4200 rpm / Torque: 255 ft. lbs. @ 2400 rpm
5.0L - V 8-cyl (Gasoline)

We know your Buick Roadmaster
& We have the World's Best Oils, Filters & more!

AMSOIL manufacture's the World's best synthetic lubricant's & filters since 1972. AMSOIL also offers substitute brands such as WIX, Mann & Donaldson, making us your one-stop shop for all automotive maintenance needs.

How do I use this Product Cross Reference Guide?

Product Cross Reference Guide: This product cross reference guide follows recommendations outlined in your owners manual and also reflects periodic service recommendation updates from the original equipment manufacturer for this particular model (1991 Buick Roadmaster with engine code [E]) show example...

For example, the manufacturer may have recommended 5W30 motor oil at the time of production (owners manual) & later revised the recommendation to 5W20. This guide will reflect latest recommendation by the manufacturer for this model. If there are no special instructions from the manufacturer, the owner can choose to follow either one of the recommendation without voiding warranty hide example.

Optional Equipment Listing This guide lists all available equipment options such as transmission options, differentials etc. for 1991 Buick Roadmaster with engine code [E] hide.
Product Availability Listing This guide lists all available AMSOIL & substitute brand products that meet or exceed OEM (Buick) recommendation for each equipment. Any one of the recommended product can be used. One may be better than the other, you can review product details & price or contact us to ask our opinion pertaining to your usage and preference hide.
Operating Temperature Original equipment manufacturer (OEM) sometimes provide different product recommendations based on operating environment temperature for a given equipment. This product cross reference guide will list such recommendations based on OEM guidelines. Some OEM recommended viscosity pertaining to a specific temperature range may not be available from AMSOIL.

However, AMSOIL products recommended for another temperature range can be safely used because AMSOIL synthetic lubricants are engineered to provide exceptional performance for significantly broader temperature range when compared to conventional & or other brand synthetic oils. For more information on a lubricants cold temperature performance; please refer to "Pour Point" from "Technical Properties" table located at the bottom of each lubricant product page hide.
Last Updated This product cross reference guide for 1991 Buick Roadmaster engine code [E] was last updated on 8th August 2018 hide.
Wholesale Accounts      Shipping Information Page
  1. Engine Oil

    Grade 1  »  API*
    Above -18C  »  10W-30
    Above 4C  »  30 [1]
    All TEMPS  »  5W-30 [2]
  2. Automatic Transmission

  3. Rear Differential

    Standard Differential, Rear W/ 8.5 RG  »  GL-5

    All TEMPS  »  80W-90
    SAE 80W-90 Synthetic Gear Lube (AGLQT)
    Severe Gear® 75W-90 (SVGPK)
    Severe Gear® 75W-110 (SVTQT)

    Limited Slip Differential, Rear W/ 8.5 RG  »  GL-5*

    All TEMPS  »  80W-90 [4]
    SAE 80W-90 Synthetic Gear Lube (AGLQT)
    Severe Gear® 75W-90 (SVGPK)
    Severe Gear® 75W-110 (SVTQT)

    Standard Differential, Rear W/ 7.5 RG  »  GL-5

    All TEMPS  »  80W-90
    SAE 80W-90 Synthetic Gear Lube (AGLQT)
    Severe Gear® 75W-90 (SVGPK)
    Severe Gear® 75W-110 (SVTQT)

    Limited Slip Differential, Rear W/ 7.5 RG  »  GL-5*

    All TEMPS  »  80W-90 [4]
    SAE 80W-90 Synthetic Gear Lube (AGLQT)
    Severe Gear® 75W-90 (SVGPK)
    Severe Gear® 75W-110 (SVTQT)
  4. Power Steering Fluid

    Power Steering Fluid  »  PS003

    Power Steering Fluid (PSFCN)
  5. Brake Fluid

    Brake Fluid  »  HB

    DOT 3 and 4 Brake Fluid (BFLVCN) [5]
  6. Lubricants & Fluids Comments  »  [*]

    [1] Use only if the other recommended viscosities are not
    available.
    [2] SAE 5W-30 is preferred.
    [3] This specification has been updated from Dexron II or III to
    Dexron VI per a Technical Service Bulletin from the
    manufacturer
    [4] Limited slip identification: tag under cover-attaching
    bolt. Models with limited slip use 4 oz GM P/N 1052358
    additive or equivalent when fluid is changed.
    [5] Hydraulic Brake Fluid, DOT 3. Original recommendation
    P/N 12377967 has been replaced by P/N 19299818.

  7. Capacities (Drive Train Fluids)

    Engine, with filter  »  4.3 liters [1]
    Cooling System, With HD Radiator Initial Fill  »  16 liters
    Passenger Car & Light Truck Antifreeze & Coolant
    AMSOIL Antifreeze and Engine Coolant
    Cooling System, Without HD Radiator Initial Fill  »  16.5 liters
    Passenger Car & Light Truck Antifreeze & Coolant
    AMSOIL Antifreeze and Engine Coolant
    Automatic Transmission, 4L60 Initial Fill  »  4.7 liters
    Automatic Transmission, Total Fill
    4 speed 4L60  »  10.4 liters
    Differential, With 7.5 RingGear Rear  »  1.7 liters
    Differential, With 8.5 RingGear Rear  »  2 liters
    ANTPC ANT ANTPC ANT
    Capacities Comments
    [1] After refill check oil level.
  8. Chassis Lubrication

  9. Torque Specifications

    Oil Drain Plug  »  15 ft/lbs

Close Panels

  1. Filters: Oil, Air, Cabin, Fuel, Transmission, Hydraulic & Crankcase

    Oil Filter 25, 000-Mile Ea Oil Filter (EAO59)  
    Oil Filter WIX 51069 Oil Filter  
    Air Filter WIX 46246 Air Filter  
    Fuel Filter WIX 33484 Fuel Filter [1]
    Fuel Filter WIX 33267 Fuel Filter [2]
    Transmission Filter WIX 58897 Trans Filter  

    Filter Comments
    [1] without Bracket
    [2] with Bracket
  2. Gasoline Engine Fuel Additives

    Dominator Octane Boost (AOB)
    AOB Dominator Octane Boost (AOB)

    Maximizes power and improves performance in all two-cycle and four-cycle gasoline engines. Reduces engine knock, improves ignition and engine response, helps fuel burn cleaner and inhibits corrosion. Recommended for off-road and racing use. Packag...

    Gasoline Stabilizer (AST)
    AST Gasoline Stabilizer (AST)

    AMSOIL Gasoline Stabilizer (AST) reduces the oxidation process that occurs when fuel is stored for extended periods, improving performance, extending equipment life and decreasing maintenance expenses. Package sizes include: 16-oz. Bottle ...

    P.I Performance Improver (API)
    API P.I Performance Improver (API)

    P.i. improves fuel mileage an average of 2.3% and up to 5.7%. Reduces emissions such as hydrocarbons (HC) up to 15%, carbon monoxide (CO) up to 26% and nitrous oxides (NOx) up to 17%. Restores power and performance. Reduces the need for costly higher...

Close Panels

ASL 5W-30 Signature Series Synthetic Motor Oil (ASL)

The Top Tier of AMSOIL Synthetic Motor Oil. AMSOIL Signature Series Synthetic Motor Oil delivers extraordinary lubrication in all types of automotive gasoline engines. Engineered for enthusiasts seeking maximum protection and performance. Precision-f...
XLF 5W-30 Extended Life Synthetic Motor Oil (XLF)

• AMSOIL Extended-Life Synthetic Motor Oil has 37% more cleaning power 1 to help keep your engine running smoother, longer. • Protection Against LSPI • Save Time and Money with up to 20,000 Miles (32,000 km) Of Gu...
OEF 5W-30 OE Series Synthetic Motor Oil (OEF)

OE Synthetic Motor Oil is for mechanics and drivers seeking peace of mind protection and exceptional value in synthetic motor oil. It delivers 100 percent synthetic engine protection for advanced automotive technology, including turbochargers and dir...
ATL Signature Series Fuel-Efficient Synthetic ATF

A fuel efficient automatic transmission fluid recommended for GM, Ford and Toyota transmissions where lighter viscosity oil is required. Provides the same excellent protection and performance as AMSOIL Signature Series Multi-Vehicle ATF. Recommended ...
OTL OE Series Fuel-Efficient Synthetic ATF

AMSOIL OE Synthetic Automatic Transmission Fluid provides passenger-car/light-truck transmissions excellent wear protection, sludge resistance and extreme-temperature performance throughout original equipment manufacturer (OEM)-recommended drain inte...
AGL SEVERE GEAR 80W-90 (AGL)

A multi-functional lubricant designed to surpass the requirements of equipment and automotive applications calling for an SAE 80W-90 viscosity grade. Formulated with wax-free synthetic base oils and high-quality additives, AMSOIL SEVERE GEAR® res...
SVG 75W 90 Severe Gear® Extreme Pressure (SVG)

Formulated for the severe operating conditions of today’s pick-up trucks, SUVs, heavy equipment and other hard-working vehicles. AMSOIL SEVERE GEAR® Synthetic Extreme Pressure (EP) Lubricants are premium grade gear oils specifically engi...
SVT 75W-110 Severe Gear® Extreme Pressure (SVT)

AMSOIL SEVERE GEAR® Synthetic Extreme Pressure (EP) Lubricants are engineered for high-demand applications, including trailer towing, heavy hauling, 4X4 off-road driving, commercial use and racing. Protects gears and bearings from scoring and wea...
BFLV DOT 3 and 4 Synthetic Brake Fluid (BFLV)

*** This item is available for US customers only *** Brake fluid acts as a hydraulic fluid, transferring power and lubricating brake system components while also preventing corrosion. It must contend with extreme heat and the inevitable moi...
PSF Multi-Vehicle Synthetic Power Steering Fluid (PSF)

AMSOIL Multi-Vehicle Synthetic Power Steering Fluid provides excellent wear protection. Its synthetic formulation delivers better lubricity and reduced friction, resulting in cooler operating temperatures, longer component life and quieter operation....
GLC Synthetic Multi-Purpose Grease NLGI #2 (GLC)

AMSOIL Synthetic Multi-Purpose Grease is qualified against the highest grease standards and designed for multiple-use applications. Composed of premium-quality synthetic base oils and calcium sulfonate complex thickeners, Multi-Purpose Grease provide...
GWR Synthetic Water Resistant Grease NLGI#2 (GWR)

Superior Lubrication and Protection in Automotive and Industrial Applications With Extensive Exposure to Water Package sizes include: 3-oz. Cartridges (not sold individually, comes in a pack of 3) 3-oz. Cartridges (case of 10) 14-oz. Cartri...
GRG DOMINATOR Synthetic Racing Grease (GRG)

Exceptional High-Speed/High-Temperature Performance. AMSOIL DOMINATOR® Synthetic Racing Grease is engineered to protect high-performance bearings and chassis components in racing applications operated on snow, dirt, water or track. Package siz...
ANTPC Passenger Vehicle Antifreeze (ANTPC)

Ethylene Glycol 50/50 Pre-Mix Formulation AMSOIL Passenger Car/Light Truck Antifreeze & Coolant provides superior heat transfer and excellent protection against corrosion, freezing and boilover. It provides maximum protection in extreme temper...
ANT Antifreeze and Engine Coolant (ANT)

AMSOIL Antifreeze & Coolant (ANT) is a low-toxicity propylene glycol antifreeze formulated to provide benefits far beyond those found in today's conventional antifreeze and coolant products. This revolutionary formulation provides maximum antifre...
amsoil oil filter AMSOIL Ea Oil Filters

AMSOIL Ea Oil Filters feature synthetic nanofiber technology for maximum efficiency. Guaranteed for up to 15,000 miles or up to 25,000 miles, depending on application, when used with AMSOIL synthetic motor oil.
wix oil filter WIX Automotive, Light Truck & Racing Oil Filters

WIX Oil filters are made with full metal base plate for superior strength at the double seal & also feature a silicone anti-drainback valve. Glass enhanced media in WIX oil filters offers greater efficiency, capturing more 10 to 12 micron sized particles than other cellulose or synthetic blend medias.
wix fuel filter WIX Automotive, Light Truck and Racing Fuel Filters

wix filterWIX Fuel Filters provide an unmatched fuel cleansing performance. They prevent pump wear, injector clogging, premature engine wear and help boost fuel efficiency. Offer quick, easy filter replacement, long life and the possibility of extended service intervals.
wix transmission filter WIX Automotive & Light Truck Transmission Filters

WIX Transmission Filters protect automatic transmissions against contaminants in the transmission fluid system. Proper filtration helps improve transmission life by minimizing wear and preventing sticking and scoring of sensitive shift control valves.

Maintenance Schedule as Provided by OEM Documentation

Distance:
7,500 miles (12,000 km)
Action:
Torque
Item:
Throttle body
Interval in Month(s):
6
Labor Units:
0.05
Parts Units:
0
Drive Type:
ALL
Description: The large diameter valve used to control the volume of incoming air to the engine.
Distance:
7,500 miles (12,000 km)
Action:
Lubricate
Item:
Chassis
Interval in Month(s):
12
Labor Units:
0.2
Parts Units:
0
Drive Type:
ALL
Description: The frame of a vehicle to which the body attaches.
Distance:
7,500 miles (12,000 km)
Action:
Inspect/rotate
Item:
Wheels & tires
Interval in Month(s):
0
Labor Units:
0.3
Parts Units:
0
Drive Type:
ALL
Description: A circular frame of hard material that may be solid or partly solid, is capable of turning on an axle, and holds the rubber cushion that contains compressed air.
Distance:
7,500 miles (12,000 km)
Action:
Change
Item:
Engine oil
Interval in Month(s):
12
Labor Units:
0.2
Parts Units:
5
Drive Type:
ALL
Description: A substance that lubricates and cools the moving parts of the engine and reduces corrosion and the formation of rust.
Distance:
7,500 miles (12,000 km)
Action:
Replace
Item:
Oil filter
Interval in Month(s):
12
Labor Units:
0.1
Parts Units:
1
Drive Type:
ALL
Description: A cartridge-filled canister placed in an engine's lubricating system to strain dirt and abrasive materials out of the oil.
Distance:
22,500 miles (36,000 km)
Action:
Inspect/rotate
Item:
Wheels & tires
Interval in Month(s):
0
Labor Units:
0.3
Parts Units:
0
Drive Type:
ALL
Description: A circular frame of hard material that may be solid or partly solid, is capable of turning on an axle, and holds the rubber cushion that contains compressed air.
Distance:
30,000 miles (48,000 km)
Action:
Inspect
Item:
Drive belt(s)
Interval in Month(s):
0
Labor Units:
0.03
Parts Units:
0
Drive Type:
ALL
Description: A belt that transfers the rotation of the engine through the crankshaft pulley to drive various devices, such as the alternator, water pump, air conditioning compressor or power steering pump.
Distance:
30,000 miles (48,000 km)
Action:
Inspect
Item:
Fuel tank, cap & lines
Interval in Month(s):
0
Labor Units:
0.05
Parts Units:
0
Drive Type:
ALL
Description: A reservoir for the vehicle's fuel.
Distance:
30,000 miles (48,000 km)
Action:
Inspect
Item:
Spark plug wires
Interval in Month(s):
0
Labor Units:
0.05
Parts Units:
0
Drive Type:
ALL
Description: Cables that carry a high-voltage electrical charge the spark plug(s).
Distance:
30,000 miles (48,000 km)
Action:
Clean/repack
Item:
Wheel bearings, front
Interval in Month(s):
30
Labor Units:
0.7
Parts Units:
0
Drive Type:
ALL
Description: The assemblies that permit smooth rotation of the wheel hub as it's mounted to the spindle.
Distance:
30,000 miles (48,000 km)
Action:
Inspect
Item:
EGR system
Interval in Month(s):
30
Labor Units:
0.1
Parts Units:
0
Drive Type:
ALL
Description: Exhaust Gas Recirculation system. A device that redirects a small amount of exhaust to the engine intake in an effort to lower combustion temperature and reduce the emission of nitrogen oxide.
Distance:
30,000 miles (48,000 km)
Action:
Replace
Item:
Air filter
Interval in Month(s):
0
Labor Units:
0.2
Parts Units:
1
Drive Type:
ALL
Description: A device that filters incoming air fed to the engine.
Distance:
30,000 miles (48,000 km)
Action:
Flush/replace
Item:
Coolant
Interval in Month(s):
24
Labor Units:
0.7
Parts Units:
2
Drive Type:
ALL
Description: Also known as "antifreeze." A mixture of water and ethylene glycol that has both a higher boiling point and a lower freezing point than plain water.
Distance:
30,000 miles (48,000 km)
Action:
Replace
Item:
Spark plugs
Interval in Month(s):
30
Labor Units:
1.1
Parts Units:
8
Drive Type:
ALL
Description: Cables that carry a high-voltage electrical charge from the distributor cap or ignition coils to the spark plugs.
Distance:
30,000 miles (48,000 km)
Action:
Change
Item:
Automatic transmission fluid
Interval in Month(s):
30
Labor Units:
0.5
Parts Units:
5
Drive Type:
ALL
Description: The fluid used for lubricating and cooling an automatic transmission.
Distance:
30,000 miles (48,000 km)
Action:
Replace
Item:
Automatic transmission filter(s)
Interval in Month(s):
30
Labor Units:
0.3
Parts Units:
1
Drive Type:
ALL
Description: A component in most automatic transmissions that is fitted over the fluid intake, usually in the pan, that prevents debris and other contaminants from circulating throughout the transmission's inner workings and potentially causing unnecessary wear or damage. Some transmissions use a reusable metal or nylon mesh-type screen in place of a disposable filter.
Distance:
30,000 miles (48,000 km)
Action:
Change
Item:
Rear differential fluid
Interval in Month(s):
30
Labor Units:
0.5
Parts Units:
1.9
Drive Type:
ALL
Description: Lubricant that permits quiet and low friction operation of the differential. Can be gear oil, transmission fluid, or a more specialized fluid specified by the manufacturer.
Distance:
37,500 miles (60,000 km)
Action:
Inspect/rotate
Item:
Wheels & tires
Interval in Month(s):
0
Labor Units:
0.3
Parts Units:
0
Drive Type:
ALL
Description: A circular frame of hard material that may be solid or partly solid, is capable of turning on an axle, and holds the rubber cushion that contains compressed air.

Service Bulletin as Provided by OEM & NHTSA

Bulletin Date:
1994-12-01
Bulletin Number:
438206
NHTSA Item Number:
37951

Component Description: Visibility:windshield wiper/washer.

Service Bulletin Summary: Wiper chatter during cold weather. ( nhtsa item number - 37951 ).

Bulletin Date:
1995-06-01
Bulletin Number:
438206A
NHTSA Item Number:
45823

Component Description: Visibility:windshield wiper/washer.

Service Bulletin Summary: Unknown ( nhtsa item number - 45823 ).

Bulletin Date:
2005-08-01
Bulletin Number:
020730024A
NHTSA Item Number:
634999

Component Description: Power train:automatic transmission:lever and linkage:column shift.

Service Bulletin Summary: Diagnosis of cracked or broken transmission case. ( nhtsa item number - 634999 ).


Recall Data Provided by NHTSA

#
1
Make(s):
AM GENERAL, BUICK, CADILLAC, CHEVROLET, GMC, OLDSMOBILE, PONTIAC
Model(s):
APOLLO, ASTRE, BELAIR, BLAZER, BONNEVILLE, C10, C10 SUBURBAN, C1500, C20, C2500, C30, C3500, CABALLERO, CAMARO, CAPRICE, CENTURY, CORVETTE, CUSTOM CRUISER, CUTLASS, CUTLASS CALAIS, CUTLASS CRUISER, CUTLASS SUPREME, DELTA 88, EL CAMINO, ESCALADE, EXPRESS 1500, EXPRESS 2500, EXPRESS 3500, FIREBIRD, FLEETWOOD, G10, G1500, G20, G2500, G30, G3500, GRAND AM, GRAND LEMANS, GRAND PRIX, HUMMER, IMPALA, JIMMY, K1500, K20, K2500, K30, K3500, LAGUNA, LEMANS, LESABRE, MALIBU, MONTE CARLO, MONZA, NOVA, OMEGA, P10, P1500, P20, P2500, P30, P3500, PARISIENNE, PHOENIX, R10, R1500, R20, R2500, R30, R3500, REGAL, ROADMASTER, SAVANA 1500, SAVANA 2500, SAVANA 3500, SIERRA 1500, SIERRA 2500, SIERRA 3500, SILVERADO 1500, SILVERADO 2500, SKYLARK, SPRINT, STARFIRE, SUNBIRD, TAHOE, V1500, V1500 SUBURBAN, V20 SUBURBAN, V2500, V2500 SUBURBAN, V3500, VEGA, VENTURA
Year(s):
1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002
Manufacturer:
HONEYWELL INTERNATIONAL, INC.
NHTSA ID:
07E088000
Recall Date:
October 24th, 2007
Units Affected:
121,680

Affected Component: Equipment.

Summary: Certain honeywell fram racing brand hp4 and hp8 oil filters that were manufactured from may 25, 2006, through september 14, 2007, and sold for use as replacement equipment for vehicles list above. The affected filters are marked with a date code a61451 through a72571 sequentially. The date code and part number appear on the filter housing. Fram racing hp4 and hp8 oil filters not bearing a date code in this range are not affected by this recall. The gasket of the oil filter becomes more pliable under high temperatures and pressures. .

Conequence: This condition may cause inadequate sealing and loss of engine oil, possibly resulting in a fire. .

Remedy: Honeywell will replace the affected oil filters free of charge. The recall began during november 2007. Owners can contact fram customer service toll-free at 1-800-890-2075. .

Notes: Customers may contact the national highway traffic safety administration's vehicle safety hotline at 1-888-327-4236 (tty: 1-800-424-9153).

#
2
Make(s):
BUICK, CHEVROLET, OLDSMOBILE
Model(s):
CAPRICE, CUSTOM CRUISER, ROADMASTER
Year(s):
1991, 1992
Manufacturer:
GENERAL MOTORS CORP.
NHTSA ID:
91V186000
Recall Date:
n/a
Units Affected:
224,588

Affected Component: Latches/locks/linkages:hood:latch.

Summary: Secondary hood latch assemblies can corrode, causing a high latch release effort and possibly preventing the hood from latching properly when it is closed. .

Conequence: If the secondary hood latch is not properly engaged, andthe primary hood latch was also not engaged, the hood could open and contact thewindshield while the vehicle was in motion, reducing the forward vision area ofthe driver and resulting in a possible vehicle accident without prior warning. .

Remedy: Install a new secondary hood latch assembly. .

Notes: System: secondary hood latch. Vehicle description: passenger cars. .

#
3
Make(s):
BUICK, CHEVROLET, OLDSMOBILE
Model(s):
CAPRICE, CUSTOM CRUISER, ROADMASTER
Year(s):
1991, 1992
Manufacturer:
GENERAL MOTORS CORP.
NHTSA ID:
92V094000
Recall Date:
n/a
Units Affected:
219,571

Affected Component: Seat belts.

Summary: The shoulder belt guide loop plastic covering may crack and expose the steel sub-plate. .

Conequence: In the event of a vehicle crash, the exposed steelsub-plate can cut the safety belt webbing resulting in increased possibilityand/or severity of injury to the affected seat occupant. .

Remedy: Install new shoulder belt guide loops. .

Notes: System: active safety belt. Vehicle description: passenger cars; general motors "b" series. .

Rating & Review Section


Was this page helpful?

(click on a star to rate)

Blog Title: World's Best Oils & Filters for 1991 BUICK ROADMASTER 5.0L 8-cyl Engine Code [E]
Current Rating: 4.5 out of 5 stars
Votes & Reviews: 1 vote(s) and 1 user reviews.


Post your comments
or ask a question


smaller | bigger

1-800-615-3709

Price List Request

Receive wholesale price list in your email.



Select your country.

Canada
Ships from Canada. Prices in CA dollars.
United States
Ships from USA. Prices in US dollars.