SKU: 010 001 R01 | UPC: 4996338001665
Cusco LSD OIL AP1/GL5 80W-140 Rear for RWD & 4WD Vehicles incl Subaru STI Honda S2000 Nissan Skyline 1L (Partial Synthetic)
Cusco LSD Oil AP1/GL5 80W-140 delivers partial synthetic protection for rear differentials in RWD and 4WD vehicles with limited slip differentials. This 1L formula reduces LSD chatter for precise power delivery during cornering and acceleration in performance cars like Subaru Impreza WRX STI Honda S2000 and Nissan Skyline. Engineered for high-load track and street use it maintains viscosity under extreme heat.
Key Features
- Partial Synthetic Base: Resists breakdown for consistent lubrication during prolonged high-speed runs and heavy track sessions
- LSD-Specific Additives: Minimize stick-slip for quiet smooth differential lockup and even torque split
- API GL-5 Rating: Handles extreme pressures on hypoid gears without corrosive wear in rear diffs
- SAE 80W-140 Viscosity: Flows cold for easy startup stays thick hot to shield bearings and gears
- 1L Precise Volume: Matches fill capacity for most rear diffs avoiding overfill or shortages
Product Notes
- Compatible with Cusco Type-RS MZ and MR LSDs plus other plate-type LSDs
- Replace every 10000-15000 miles based on track or spirited driving
- Handle as hazardous material per DOT guidelines during transport
Installation Notes
- Professional installation recommended.
- Warm engine run gear through shifts then drain fully before refill
- Check OEM fill plug compatibility 14mm square drive common
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1999-2003 | Honda | S2000 | AP1 |
| 2004-2009 | Honda | S2000 | AP2 |
| 2002-2007 | Subaru | Impreza | WRX |
| 2004-2021 | Subaru | Impreza | WRX STI |
| 1989-1994 | Nissan | Skyline | GT-R R32 |
| 1995-1998 | Nissan | Skyline | GT-R R33 |
| 1999-2002 | Nissan | Skyline | GT-R R34 |
| 1989-2002 | Nissan | Silvia 240SX | S13 S14 S15 |
| 2013-2021 | Subaru | BRZ | |
| 1993-2002 | Toyota | Supra | MK4 |
Why Choose Cusco?
- Motorsport-proven since 1987 in rally and drift competitions
- Formulated from real-world testing in high-stakes racing
- JDM engineering focus delivers reliable drivetrain power transfer
Frequently Asked Questions
- Q: Does this fit my Subaru STI rear diff?
A: Yes fits 2004-2021 Impreza WRX STI and similar RWD 4WD rear LSD diffs fill to 1L capacity - Q: Partial synthetic vs full synthetic difference?
A: Partial synthetic offers strong shear resistance and heat tolerance at lower cost ideal for frequent oil changes - Q: Warranty on this gear oil?
A: Backed by Cusco defect coverage use as directed with proper install maintains performance guarantee
Shipping & Handling
- Method: UPS Ground
- Availability: In stock – ships same or next business day
- Packaging: 1L bottle in protective box 4 x 4 x 9 inches
- Weight: 2.6 lbs
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