Fittings Hoses and Valves› Clamps and Brackets
Earls
FUEL PUMP MODULE MOUNTING RING-STEEL
SKU: E00A 166021ERL
Beginner — under 30 min
Description
Part #: 166021ERL
These weld-in mounting rings allow the use of a modern in-tank EFI fuel module in your custom or modified fuel tank. Most late model GM, Mopar, and Ford factory fuel modules have been standardized to a common size with a thin 6 in. diameter hat at the top of the fuel module. Choose from aluminum, steel, or stainless steel mounting ring for easy welding (use same material as your fuel tank).
Features:
- Weld-In Fuel Module Mounting Boss - Ideal for Custom Fabricated or Modified Fuel Tanks
- Ideal For Custom Fabricated Or Modified Fuel Tanks
- Designed to Work with Most Pump Modules That Have a 6" Diameter Hat
- Fits Most Pump Modules With 6 in. Diameter Hat
- Fits Most Late Model GM, Dodge/Chrysler & Ford Fuel Pump Modules - USCAR Auto Industry Standard Design
- USCAR Auto Industry Standard Design
- Mounting Hole Diameter is 6-3/8"
- Some Example Vehicles with USCAR Style Fuel Modules: 2007-2017 Chevrolet Corvette, Camaro SS & ZL1, Pontiac G8 GXP (LS3), 2008-2013 Cadillac CTS-V
- Use with GM Fuel Module Lock Ring OEM # 10325852 - to Retain the Fuel Module to Weld-in Boss
- Available in 6061 Aluminum, Mild Steel, and 304 Stainless Steel - Choose Same Material as Fuel Tank for Easy Welding
Fuel Pump Module Mounting Ring | Fits w/Most Late Model Fuel Pump Modules | Mounting Hole Diameter 6.375 in. | Weld In | Mild Steel
MIA's Description
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Earls |
| Part Number | E00A 166021ERL |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return Policy