A3270JK20B GASKET-ROCKER COVER
Images
Compatibility
Nissan A3270JK20B
| Body Style | Engine | Market | Model | Model Year From | Model Year To | Options | Diagram |
|---|---|---|---|---|---|---|---|
| COUPE | VQ35HR | General/Asia (LHD) | Z33 | 02.2007 | 10.2008 | AREA:BRAZIL | View |
| Body Style | Engine | Frame | Vehicle Grade | Market | Model | Model Year From | Diagram |
|---|---|---|---|---|---|---|---|
| SEDAN LONG | VQ35HR | HGY51 | HYBRID VIP G | Japan | HGY51 | 05.2012 | View |
| Body Style | Engine | Frame | Vehicle Grade | Market | Model | Model Year From | Diagram |
|---|---|---|---|---|---|---|---|
| CONVERTIBLE | VQ35HR | HZ33 | VER/ST | Japan | Z33 | 01.2007 | View |
| Body Style | Engine | Frame | Vehicle Grade | Market | Model | Model Year From | Diagram |
|---|---|---|---|---|---|---|---|
| SEDAN | VQ25HR | Y51 | 250GTｸﾞﾚｰﾄﾞ | Japan | Y51 | 02.2015 | View |
| Body Style | Engine | Frame | Vehicle Grade | Market | Model | Model Year From | Diagram |
|---|---|---|---|---|---|---|---|
| SEDAN | VQ35HR | HY51 | HYBRID A | Japan | Y51HV | 02.2012 | View |
| Body Style | Engine | Vehicle Grade | Market | Model | Model Year From | Model Year To | Diagram |
|---|---|---|---|---|---|---|---|
| SEDAN | VQ35HR | BASE | General/Asia (LHD) | Y50 | 10.2008 | 05.2010 | View |
| Body Style | Engine | Vehicle Grade | Market | Model | Model Year From | Model Year To | Diagram |
|---|---|---|---|---|---|---|---|
| SEDAN | VQ35HR | SPORT PREMIUM | General/Asia (LHD) | V36 | 09.2007 | 08.2008 | View |
| Body Style | Engine | Vehicle Grade | Market | Model | Model Year From | Model Year To | Diagram |
|---|---|---|---|---|---|---|---|
| SEDAN | VQ35HR | SPORT | General/Asia (LHD) | V37 | 01.2014 | 04.2017 | View |
| Market | Model | Model Year From | Diagram |
|---|---|---|---|
| General/Asia (RHD) | Y51HV | 05.2018 | View |
| Body Style | Engine | Vehicle Grade | Market | Model | Model Year From | Model Year To | Diagram |
|---|---|---|---|---|---|---|---|
| LONG SEDAN | VQ25HR | MIDDLE | General/Asia (LHD) | Y51 | 03.2012 | 11.2014 | View |
| Body Style | Engine | Vehicle Grade | Market | Model | Model Year From | Gearbox | Diagram |
|---|---|---|---|---|---|---|---|
| SEDAN LONG | VQ35HR | MIDDLE | General/Asia (LHD) | Y51HV | 02.2015 | 7AT | View |
| Body Style | Engine | Frame | Vehicle Grade | Market | Model | Model Year From | Diagram |
|---|---|---|---|---|---|---|---|
| SEDAN | VQ35HR | HNV37 | 350GT HYBRID TYPE P | Japan | V37 | 11.2013 | View |
| Body Style | Engine | Frame | Vehicle Grade | Market | Model | Model Year From | Diagram |
|---|---|---|---|---|---|---|---|
| SEDAN | VQ25DE | J32 | 250XL | Japan | J32 | 06.2008 | View |
Information
Valve Cover Seal for Nissan/Infiniti Engines ️
Why this part is needed ️
This seal keeps engine oil inside the cam/rocker cover and away from the ignition system. It maintains crankcase sealing, supports correct PCV flow, and prevents oil mist from escaping. A fresh gasket protects coils, plugs, and wiring from oil contamination and helps keep the top end clean and quiet.
How it works
Formed rubber sits in a machined groove on the cover and compresses against the cylinder head. Under proper torque, it creates an even, flexible barrier that withstands heat cycles and vibration. Many versions include spark plug tube seals to keep oil out of the plug wells, ensuring stable spark and smooth idle.
What happens if it’s damaged ⚠️
Oil leaks appear along the cover edge, rear of the head, or into plug tubes. Symptoms include burning-oil smell, smoke on startup, misfires, rough running, and stained alternators or belts. Long-term leaks can swell hoses, foul O2 sensors, and lower oil level—risking valvetrain wear. Replace at first signs of seepage for reliability and clean service.
Tech tip
Install on a cool engine, clean mating surfaces, use a light oil film on the gasket, and torque bolts evenly in sequence.
Compatibility
- Qx50/Ex
- Q50
- Q40/G Sedan
- Q70/M Hybrid
- Qx70/Fx
- M35/45
- Q70/M