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Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
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Cometic Gasket
Cometic C4770 Rear Main Seal for 1991-1998 Nissan (KA20DE/KA24DE/KA24E/NA20P/NA20S/RB20DE/RB20E/RB25DE/RB25DET/RB26)
This product will be available for sale in 2 weeks, but you can pre-order now to receive 10% discount!
Fits select 1991-1998 Nissan 240SX, Altima, and Stanza models (KA20DE/KA24DE/KA24E/NA20P/NA20S/RB20DE/RB20E/RB25DE/RB25DET/RB26).
The Cometic C4770 rear main seal is a critical component for maintaining oil pressure and preventing leaks at the rear of the crankshaft. Engineered to meet or exceed OEM specifications, this seal is designed for high-performance applications and has been rigorously tested on the street, track, and dynamometer to ensure a reliable, leak-free seal under demanding thermal and mechanical conditions.
- Precision-engineered for a perfect fit on select Nissan KA, NA, and RB series engines
- Constructed from high-grade materials to withstand constant friction and high RPMs
- Developed and tested for both daily driving and competitive motorsport use
- Direct replacement for a worn or leaking factory rear main crankshaft seal
- Manufacturer Part Number: C4770
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1991-1993,1995-1998 | Nissan | 240SX | Base |
| 1991-1992,1997-1998 | Nissan | 240SX | LE |
| 1991-1998 | Nissan | 240SX | SE |
| 1993-1997 | Nissan | Altima | GLE |
| 1993-1997 | Nissan | Altima | GXE |
| 1993-1997 | Nissan | Altima | SE |
| 1993-1997 | Nissan | Altima | XE |
| 1991-1992 | Nissan | Stanza | GXE |
| 1992 | Nissan | Stanza | SE |
| 1991-1992 | Nissan | Stanza | XE |
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Atlus
1340 Cobb Dr, Unit 1, Eustis, FL 32736
352-234-4458
Mon – Fri: 8:30 am – 4:30 pm
Sat: 9:00 am – 2:00 pm
Sun: Closed
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If you can find the part for a lower price from an authorized dealer/shop, we'll match the price! Reach out to Hello@AtlusAuto.com, our live chat located at the bottom right of your screen, or request an Atlas Price Guarantee, or visit our dedicated APG page to submit a request.
Cometic C4770 Rear Main Seal for 1991-1998 Nissan (KA20DE/KA24DE/KA24E/NA20P/NA20S/RB20DE/RB20E/RB25DE/RB25DET/RB26)
This product will be available soon, but you can pre-order now to get on the list before others!
US Based Support - In Florida
30 Days Satisfaction Guarantee
Price Match
If you can find the part for a lower price from an authorized dealer/shop, we'll match the price! Reach out to Hello@AtlusAuto.com, our live chat located at the bottom of your screen, or request an Atlas Price Guarantee, or visit our dedicated APG page to submit a request.
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Fits select 1991-1998 Nissan 240SX, Altima, and Stanza models (KA20DE/KA24DE/KA24E/NA20P/NA20S/RB20DE/RB20E/RB25DE/RB25DET/RB26).
The Cometic C4770 rear main seal is a critical component for maintaining oil pressure and preventing leaks at the rear of the crankshaft. Engineered to meet or exceed OEM specifications, this seal is designed for high-performance applications and has been rigorously tested on the street, track, and dynamometer to ensure a reliable, leak-free seal under demanding thermal and mechanical conditions.
- Precision-engineered for a perfect fit on select Nissan KA, NA, and RB series engines
- Constructed from high-grade materials to withstand constant friction and high RPMs
- Developed and tested for both daily driving and competitive motorsport use
- Direct replacement for a worn or leaking factory rear main crankshaft seal
- Manufacturer Part Number: C4770
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1991-1993,1995-1998 | Nissan | 240SX | Base |
| 1991-1992,1997-1998 | Nissan | 240SX | LE |
| 1991-1998 | Nissan | 240SX | SE |
| 1993-1997 | Nissan | Altima | GLE |
| 1993-1997 | Nissan | Altima | GXE |
| 1993-1997 | Nissan | Altima | SE |
| 1993-1997 | Nissan | Altima | XE |
| 1991-1992 | Nissan | Stanza | GXE |
| 1992 | Nissan | Stanza | SE |
| 1991-1992 | Nissan | Stanza | XE |
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