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World's Best Oils & Filters for 1990 Infiniti Q45

Oils & FiltersMaintenance ScheduleService BulletinRecallsImages
1990 Infiniti Q45
4.5L 8-cyl Engine Code [N] Engine Code [N] VH45DE
278 bhp. @ 6000 rpm / Torque: 292 ft. lbs. @ 4000 rpm
4.5L - V 8-cyl (Gasoline)

We know your Infiniti Q45
& 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 (1990 Infiniti Q45 with engine code [N]) 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 1990 Infiniti Q45 with engine code [N] hide.
Product Availability Listing This guide lists all available AMSOIL & substitute brand products that meet or exceed OEM (Infiniti) 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 1990 Infiniti Q45 engine code [N] was last updated on 18th July 2018 hide.
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  1. Engine Oil

    Grade 1  »  SL
    Above -18C  »  10W-30, 10W-40 [1]
    Below 16C  »  5W-30
  2. Automatic Transmission

  3. Rear Differential

    Differential, Rear  »  GL-5

    Above 40C  »  80W-90
    SAE 80W-90 Synthetic Gear Lube (AGLQT)
    Severe Gear® 75W-90 (SVGQT)
    Severe Gear® 75W-110 (SVTQT)

    Differential, Rear  »  GL-5

    Above 10C  »  140
    No AMSOIL Product Recommendation

    Differential, Rear  »  GL-5

    -12 To 29C  »  85W
    No AMSOIL Product Recommendation

    Differential, Rear  »  GL-5

    -1 To 38C  »  90
    SAE 80W-90 Synthetic Gear Lube (AGLQT)
    Severe Gear® 75W-90 (SVGQT)
    Severe Gear® 75W-110 (SVTQT)

    Differential, Rear  »  GL-5

    Below 10C  »  75W
    No AMSOIL Product Recommendation

    Differential, Rear  »  GL-5

    Below 38C  »  75W-90, 80W-90
    Severe Gear® 75W-90 (SVGQT)
    Severe Gear® 75W-110 (SVTQT)
    SAE 80W-90 Synthetic Gear Lube (AGLQT)

    Differential, Rear  »  GL-5

    Below 29C  »  80W
    No AMSOIL Product Recommendation
  4. Power Steering Fluid

  5. Brake Fluid

    Brake Fluid  »  HB

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

    [1] SAE 10W-30 is preferred.
    [2] DEXRON-III Automatic Transmission Fluid
    [3] Hydraulic Brake Fluid, DOT 3

  7. Capacities (Drive Train Fluids)

    Engine, with filter  »  6 liters [1]
    Cooling System, Initial Fill  »  10.5 liters
    Passenger Car & Light Truck Antifreeze & Coolant
    AMSOIL Antifreeze and Engine Coolant
    Automatic Transmission, RE4R03A Initial Fill  »  Not Specified
    Automatic Transmission, Total Fill
    4 speed RE4R03A  »  8.6 liters
    Differential, Rear  »  1.5 liters
    ANTPC ANT
    Capacities Comments
    [1] After refill check oil level.
  8. Chassis Lubrication

    0 Fittings, 0 Plugs
  9. Torque Specifications

    Oil Drain Plug  »  22-29 ft/lbs

Close Panels

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

    Oil Filter 25, 000-Mile Ea Oil Filter (EAO38)  
    Oil Filter WIX 51361 Oil Filter  
    Air Filter WIX 46053 Air Filter  
    Fuel Filter WIX 33023 Fuel Filter  
    Transmission Filter WIX 58974 Auto Tran Filter  
  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...

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ATM 10W-30 Signature Series Synthetic Motor Oil (ATM)

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...
XLT 10W-30 Extended Life Synthetic Motor Oil (XLT)

AMSOIL XL Synthetic Motor Oil is the choice for those who want to do something extra for their vehicle. Its boosted formulation delivers extra cleaning power, outstanding wear control, excellent high and low temperature protection and exceptional fue...
OET 10W-30 OE Series Synthetic Motor Oil (OET)

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...
ATF Signature Series Multi-Vehicle Synthetic ATF

AMSOIL Signature Series Multi-Vehicle Synthetic ATF is engineered to outperform conventional automatic transmission fluids and exceed the performance requirements of most North American, European and Asian vehicles. This sophisticated formulation pro...
OTF OE Multi-Vehicle 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...
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.

Maintenance Schedule as Provided by OEM Documentation

Distance:
7,500 miles (12,000 km)
Action:
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:
Replace
Item:
Oil filter
Interval in Month(s):
6
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:
7,500 miles (12,000 km)
Action:
Change
Item:
Engine oil
Interval in Month(s):
6
Labor Units:
0.26
Parts Units:
6.4
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:
15,000 miles (24,000 km)
Action:
Check level
Item:
Differential fluid
Interval in Month(s):
12
Labor Units:
0.1
Parts Units:
0
Drive Type:
ALL
Description: The liquid used for lubricating gears inside the differential.
Distance:
15,000 miles (24,000 km)
Action:
Inspect
Item:
Brake lines & cables
Interval in Month(s):
12
Labor Units:
0.05
Parts Units:
0
Drive Type:
ALL
Description: Tubing that carries fluid or cables that are used to mechanically operate a vehicle's brakes.
Distance:
15,000 miles (24,000 km)
Action:
Inspect
Item:
Brake pads, calipers & rotors
Interval in Month(s):
12
Labor Units:
0.2
Parts Units:
0
Drive Type:
ALL
Description: Brake linings, shoes, or pads are parts of a brake system bonded to an expendable friction material, that when hydraulically acted upon, create enough resistance to stop a vehicle. A brake rotor is the metal disc that rotates along with the wheels to which the fiction material can be clamped in order to stop or slow movement. Calipers refer to hydraulically activated assemblies that serve to clamp pads to a rotor in order to stop or slow movement.
Distance:
15,000 miles (24,000 km)
Action:
Inspect
Item:
Exhaust system
Interval in Month(s):
12
Labor Units:
0.05
Parts Units:
0
Drive Type:
ALL
Description: A system of tubing that routes exhaust gases from the exhaust manifold to the rear of the car and into the air. The exhaust system includes catalytic converters and mufflers that help reduce air and noise pollution generated by an engine.
Distance:
15,000 miles (24,000 km)
Action:
Inspect
Item:
Automatic transmission fluid
Interval in Month(s):
12
Labor Units:
0.02
Parts Units:
0
Drive Type:
ALL
Description: The fluid used for lubricating and cooling an automatic transmission.
Distance:
15,000 miles (24,000 km)
Action:
Check level
Item:
Manual transmission fluid
Interval in Month(s):
12
Labor Units:
0.2
Parts Units:
0
Drive Type:
ALL
Description: The fluid used for lubricating and cooling a manual transmission.
Distance:
22,500 miles (36,000 km)
Action:
Replace
Item:
Oil filter
Interval in Month(s):
18
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:
30,000 miles (48,000 km)
Action:
Inspect
Item:
Fuel & fuel vapor lines
Interval in Month(s):
24
Labor Units:
0.15
Parts Units:
0
Drive Type:
ALL
Description: Flexible tubing in the fuel delivery and evaporative emissions systems.
Distance:
30,000 miles (48,000 km)
Action:
Inspect
Item:
Fuel lines & hoses
Interval in Month(s):
24
Labor Units:
0.05
Parts Units:
0
Drive Type:
ALL
Description: The tubing that carries fuel throughout a vehicle.
Distance:
30,000 miles (48,000 km)
Action:
Inspect
Item:
Steering & suspension
Interval in Month(s):
24
Labor Units:
0.15
Parts Units:
0
Drive Type:
ALL
Description: A vehicle's steering is the collection of components that enable the operator to direct a vehicle in a desired direction. Suspension is the assemblage of joints, links and other components between a vehicle and its wheels.
Distance:
30,000 miles (48,000 km)
Action:
Inspect
Item:
Suspension links & mountings
Interval in Month(s):
24
Labor Units:
0.1
Parts Units:
0
Drive Type:
ALL
Description: The assemblage of joints, links and other components between a vehicle and its wheels. The suspension in concert with the wheels and tires is largely responsible for a given vehicle's ride and handling characteristics.
Distance:
30,000 miles (48,000 km)
Action:
Inspect/replace
Item:
Fuel filter
Interval in Month(s):
Labor Units:
0.1
Parts Units:
0
Drive Type:
ALL
Description: A replaceable metal or plastic canister that prevents particulate matter and most contaminants in the fuel from reaching the engine.
Distance:
30,000 miles (48,000 km)
Action:
Replace
Item:
Air filter
Interval in Month(s):
24
Labor Units:
0.2
Parts Units:
1
Drive Type:
ALL
Description: A device that filters incoming air fed to the engine.
Distance:
37,500 miles (60,000 km)
Action:
Replace
Item:
Oil filter
Interval in Month(s):
30
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:
52,500 miles (84,000 km)
Action:
Replace
Item:
Oil filter
Interval in Month(s):
42
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:
60,000 miles (96,000 km)
Action:
Inspect
Item:
Drive belt(s)
Interval in Month(s):
48
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:
60,000 miles (96,000 km)
Action:
Replace
Item:
Air filter
Interval in Month(s):
48
Labor Units:
0.2
Parts Units:
1
Drive Type:
ALL
Description: A device that filters incoming air fed to the engine.
Distance:
60,000 miles (96,000 km)
Action:
Change
Item:
Suspension fluid
Interval in Month(s):
48
Labor Units:
0.4
Parts Units:
1
Drive Type:
ALL
Description: A fluid used in suspension systems that are hydraulically adjustable.
Distance:
60,000 miles (96,000 km)
Action:
Flush/replace
Item:
Coolant
Interval in Month(s):
48
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:
60,000 miles (96,000 km)
Action:
Replace
Item:
Spark plugs
Interval in Month(s):
48
Labor Units:
2.7
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:
75,000 miles (120,000 km)
Action:
Inspect
Item:
Drive belt(s)
Interval in Month(s):
60
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:
90,000 miles (144,000 km)
Action:
Inspect
Item:
Drive belt(s)
Interval in Month(s):
72
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:
90,000 miles (144,000 km)
Action:
Flush/replace
Item:
Coolant
Interval in Month(s):
72
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:
120,000 miles (192,000 km)
Action:
Flush/replace
Item:
Coolant
Interval in Month(s):
96
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.

Service Bulletin as Provided by OEM & NHTSA

Bulletin Date:
1993-08-01
Bulletin Number:
FC0008767
NHTSA Item Number:
39643

Component Description: Fuel system, gasoline:fuel injection system.

Service Bulletin Summary: Engine hard to start , hot or cold. ( nhtsa item number - 39643 ).

Bulletin Date:
1997-02-01
Bulletin Number:
ITB97011
NHTSA Item Number:
52154

Component Description: Other.

Service Bulletin Summary: 1997 qx4 wheel balance machine adapter kits. ( nhtsa item number - 52154 ).

Bulletin Date:
1997-02-01
Bulletin Number:
ITB97016
NHTSA Item Number:
52158

Component Description: Air bags.

Service Bulletin Summary: Air bag harness replacement. ( nhtsa item number - 52158 ).

Bulletin Date:
2008-07-01
Bulletin Number:
ITB-08-024A
NHTSA Item Number:
10032305

Component Description: Air bags.

Service Bulletin Summary: Infiniti: srs precautions during service. Included in the restraints section of the electronic service manual (esm) for each vehicle is information necessary to service the supplemental restraint system (srs) safely. Improper maintenance ( nhtsa item number - 10032305 ).

Bulletin Date:
2009-04-01
Bulletin Number:
ITB-09-020
NHTSA Item Number:
10030145

Component Description: (A) Electrical system:battery., (B) Electrical system:battery:cables.

Service Bulletin Summary: Infiniti: electronic control unit damage can result from improper battery connection. The battery is required to stay connected when the engine is running. No model years listed. ( nhtsa item number - 10030145 ).

Bulletin Date:
2009-09-01
Bulletin Number:
ITB-09-050
NHTSA Item Number:
10031304

Component Description: Tires:pressure monitoring and regulating systems.

Service Bulletin Summary: Infiniti: tire pressure monitoring system (tpms) warning light on/blinking. No models or model years listed. ( nhtsa item number - 10031304 ).

Bulletin Date:
2009-11-01
Bulletin Number:
ITB-09-062
NHTSA Item Number:
10032524

Component Description: Equipment:other:owners/service/other manual.

Service Bulletin Summary: Infiniti: vent control valve replacement. No applied vehicles affected: all models; no model years listed. ( nhtsa item number - 10032524 ).


Recall Data Provided by NHTSA

#
1
Make(s):
INFINITI, NISSAN
Model(s):
200SX, 240SX, D21, M30, PATHFINDER, Q45, SENTRA, TRUCK, VAN
Year(s):
1987, 1988, 1989, 1990, 1991
Manufacturer:
NISSAN NORTH AMERICA, INC.
NHTSA ID:
95V103002
Recall Date:
n/a
Units Affected:
2,730,462

Affected Component: Seat belts:front:buckle assembly | seat belts:front:buckle assembly.

Summary: The front safety belt buckle release buttons can break. These red plastic release buttons are marked "press. " if a button breaks, pieces can fall into the buckle assembly causing the buckle to operate improperly. .

Conequence: The safety belts would not provide adequate protection to an occupant in a vehicle crash. .

Remedy: Owners should promptly check the condition and operation of both front safety belt buckles and carefully inspect the red release button for any breaks or cracks. They should ensure that both buckles are operating properly by inserting each latch plate into its buckle, tugging on the belt to make sure the latch is securely locked, and then pressing the release button. The latch plate should pop out of the buckle when the button is pressed. If either release button shows a sign of breaking or cracking or if either buckle fails to operate properly, owners should promptly contact their authorized dealer to schedule an appointment to have the buckle replaced or repaired free of charge. .

Notes: System: interior; seat belts; belt buckles. Vehicle description: passenger, multi-purpose vehicles and light duty trucks equipped with safety belts made by takata corporation. Note: if your vehicle is presented to an authorized dealer on an agreed uponservice date and the remedy is not provided free of charge within a reasonable time, please contact nissan at 1-800-647-7261. Also contact the nationalhighway traffic safety administration's auto safety hotline at 1-800-424-9393. .

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Blog Title: World's Best Oils & Filters for 1990 INFINITI Q45 4.5L 8-cyl Engine Code [N] VH45DE
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