World's Best Oils & Filters for 1988 Mazda RX-7

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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 (1988 Mazda RX-7 with engine code 13B) 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 1988 Mazda RX-7 with engine code 13B hide.
Product Availability Listing This guide lists all available AMSOIL & substitute brand products that meet or exceed OEM (Mazda) 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 1988 Mazda RX-7 engine code 13B was last updated on 12th June 2018 hide.

     

1. Engine Oil

   Grade 1  »  SL [1]
   

   Maximum Performance Premium Protection 10W-40 Synthetic Motor Oil (AMOQT)

   Performance Plus XL 10W-40 Synthetic Motor Oil (XLOQT)

   -23 To 30C  »  10W-30
   Above -23C  »  10W-40, 10W-50
   Above -9C  »  20W-40, 20W-50
   Below 0C  »  5W-30
   

2. Manual Transmission

   Manual Transmission, 5HC (5-SPD)  »  GL-5

   Above 10C  »  80W-90
   

   No AMSOIL Product Recommendation

   ---

   Manual Transmission, 5HC (5-SPD)  »  GL-4

   Above 10C  »  80W-90
   Manual Transmission & Transaxle Gear Lube 75W-90 (MTGQT)
   

   ---

   Manual Transmission, 5HC (5-SPD)  »  GL-4

   All TEMPS  »  75W-90
   Manual Transmission & Transaxle Gear Lube 75W-90 (MTGQT)
   

   ---

   Manual Transmission, 5HC (5-SPD)  »  GL-5

   All TEMPS  »  75W-90
   

   No AMSOIL Product Recommendation

3. Rear Differential

   Differential, Rear  »  GL-5

   Above -18C  »  90
   SAE 80W-90 Synthetic Gear Lube (AGLQT)
   Severe Gear® 75W-90 (SVGQT)
   Severe Gear® 75W-110 (SVTQT)
   

   ---

   Differential, Rear  »  GL-5

   Below -18C  »  80W
   

   No AMSOIL Product Recommendation

4. Power Steering Fluid

   Power Steering Fluid  »  AF2

   Signature Series Multi-Vehicle Synthetic Automatic Transmission Fluid (ATF) (ATFQT)
   

   ---

   Power Steering Fluid  »  AF2

   OE Multi-Vehicle Synthetic Automatic Transmission Fluid (OTFQT) [2]
   

5. Brake Fluid

   Brake Fluid  »  HB

   DOT 3 and 4 Brake Fluid (BFLVCN) [3]
   

6. Clutch Fluid

   Clutch Fluid  »  HB

   DOT 3 and 4 Brake Fluid (BFLVCN) [3] [4]
   

7. Lubricants & Fluids Comments  »  [*]

   [1] Do not use either synthetic or semi-synthetic motor oil.
   Otherwise engine starting performance could worsen.
   [2] Power steering: Lubricant recommendation option 1
   [3] Hydraulic Brake Fluid, DOT 3
   [4] Power steering: Lubricant recommendation option 2
   
   

8. Capacities (Drive Train Fluids)

   Engine, with filter  »  4.4 liters [1]
   Cooling System, Initial Fill  »  8.5 liters
   Passenger Car & Light Truck Antifreeze & Coolant
   AMSOIL Antifreeze and Engine Coolant
   Manual Transmission, 5HC (5-SPD)  »  2.5 liters
   Differential, Rear  »  1.4 liters
   ANTPC ANT
   Capacities Comments
   [1] After refill check oil level.
   

9. Chassis Lubrication

   0-4 Fittings, 0 Plugs  »  LM
   

10. Torque Specifications

    Oil Drain Plug  »  22-30 ft/lbs
    Manual Transmission
    Fill Plug 18-29 ft/lbs
    Drain Plug 29-34 ft/lbs
    Manual Transmission Hex Head
    Fill Plug 18-29 ft/lbs
    Drain Plug 29-43 ft/lbs
    Manual Transmission Square Head
    Fill Plug 18-29 ft/lbs
    Drain Plug 23-34 ft/lbs
    

Close Panels

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

   Oil Filter	Absolute Efficiency Oil Filter (EA15K20)	[1]
   Oil Filter	WIX 51356 Oil Filter
   Air Filter	WIX 46256 Air Filter
   Fuel Filter	WIX 33221 Fuel Filter

   
   Filter Comments
   [1] Replaces the Ea15k46, which will still work for this vehicle
   

2. Gasoline Engine Fuel Additives

   Dominator Octane Boost (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)

   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)

   P.I Performance Improver (API)
   
   • Restores up to 14% horsepower 1 • Restores GDI fuel injectors to 100% flow rate after one tank of fuel 2 • Improves fuel economy • Reduces need for costly higher-octane fuel

   
   

Close Panels

10W-40 Premium Protection Motor Oil (AMO)

For use in both gasoline and diesel engines. Offers multi-functionality and wear protection. Ideal for applications where the extra protection of a higher-viscosity oil is desired. Excellent for motor homes and older vehicles, as well as many types o...

10W-40 Extended Life Synthetic Motor Oil (XLO)

*** Not Available in Canada *** • 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 wi...

75W-90 (GL-4) Synthetic Gear Lube (MTG)

AMSOIL Synthetic Manual Transmission and Transaxle Gear Lube (MTG) is a premium blend of the finest synthetic base oils and advanced, high-performance additives. It is formulated specifically for maximum protection in the most demanding manual trans...

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...

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...

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...

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...

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...

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...

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...

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 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 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.