API Service Class GL 5+
API Service Class GL 5+
Used to calculate speed from the rear differential
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
07-22-2026
For use in front & rear open differentials as well as some manual transmissions
Fully synthetic GL4+ gear oil, for use on the street or the track
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Creates gaskets the same way as OEM car manufacturers
Max-Gear is recommended for use in front or rear open differentials, manual transmissions, and lower gear units of marine engines that specify use of an API GL-5 or GL-4 fluid
Seals the rear differential cover
Fully synthetic, multigrade gearbox oil of performance rating API GL-4/5 for multi-functional use in axle gears and manual gearboxes
For heavily-loaded racing differentials and transmissions, problem gearboxes
For Custom Applications Only.
The small dust cover that protects your differential
Synthetic gear oil for superior performance in your differential
Max-Gear is recommended for use in front or rear LSD differentials, manual transmissions, and lower gear units of marine engines that specify use of an API GL-5 or GL-4 fluid
Recommended for BMW manual transmissions with the "Green Label" or SHC 630
See MOQKT
22x27 aluminum sealing ring
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The small dust cover, 2 required
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
07-22-2026
GL5 Level oil
2X Entries For Our 25th Anniversary Sweepstakes!
This product was last offered at the strikethrough price on
01-27-2026