Fully synthetic, multigrade gearbox oil of performance rating API GL-4/5 for multi-functional use in axle gears and manual gearboxes
Fully synthetic, multigrade gearbox oil of performance rating API GL-4/5 for multi-functional use in axle gears and manual gearboxes
All you need in one package for scheduled differential maintenance! With Castrol SAF-XJ Differential Fluid and ECS Magnetic Differential Oil Drain Plug!
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This product was last offered at the strikethrough price on
05-02-2026
Installs in 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
07-19-2026
For heavily-loaded racing differentials and transmissions, problem gearboxes
For Custom Applications Only.
The small dust cover that protects your differential
This is the bottom finned cover for 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
07-19-2026
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
Replaces damaged or cracked transmission valve body seals
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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
07-19-2026
M8x25
GL5 Level oil
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This product was last offered at the strikethrough price on
01-27-2026
Includes Powerflex's Dual-Mount bracket and Black Series bushings for the ultimate rear differential reinforcement
75D durometer polyurethane for a maximum increase in stiffness.