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⛽ Unlock your Duramax’s true power — no more pressure drops, just pure acceleration!
The Fuel Pressure Relief Valve Plug 16mm is a precision replacement part designed for 2001-2004 Chevy GMC 6.6L LB7 Duramax engines. Made from durable steel and copper, it plugs the fuel return pipe to maintain optimal fuel rail pressure, eliminating common low-pressure error codes and improving acceleration performance under heavy engine load.
| ASIN | B096XS1T3T |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #305,959 in Automotive ( See Top 100 in Automotive ) #237 in Automotive Replacement Fuel Injection Pressure Regulators |
| Brand | kweiny |
| Customer Reviews | 4.1 4.1 out of 5 stars (32) |
| Date First Available | June 9, 2021 |
| Exterior Finish | Stainless Steel |
| Inlet Connection Size | 1 Inches |
| Inlet Connection Type | Female Iron Pipe |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Item Weight | 6.4 ounces |
| Item dimensions L x W x H | 1 x 1 x 2.35 inches |
| Item model number | 6.6L |
| Manufacturer | Xingzhu |
| Material | Carbon Steel |
| Number of Ports | 2 |
| Outlet Connection Type | NPT |
| Part Number | XZAMDP16 |
| Product Dimensions | 1 x 1 x 2.35 inches |
A**.
Good quality part
Good quality
J**H
Fits Duramax LB7
I had ordered another one that claimed it fit Duramax LB7, it didn’t, this fit and no more power drop under load
D**S
Full of rust once opened package inside valve
The outside was new the inside was full visible rust not happy with product do not recommend
J**4
A+
Works great
J**.
Great product
Small challenge, but I got it done.
C**N
Muy Mala Calida no sirbe
N**E
Awesome
Came with all the parts needed to install it all the gaskets and crush washer
T**M
Good prices good quality
P**R
Absolutely garbage spend the extra $20 and get the ppe one you won’t regret it. So mad right night they can even sell this garbage.
G**D
Installed it drove a mile blew the washer on the pressure side.🙄 wouldn't recommend for your lb7
Trustpilot
3 days ago
3 weeks ago