Air and Fuel› Fuel Injection Systems and Components - Mechanical
S&S Diesel
Duramax 10mm CP3 High Speed (1 325 mm3 /rev displacement) New LBZ-based
SKU: S09R CP3-DMX-10-HS
Moderate — 2–4 hours
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 | S&S Diesel |
| Part Number | S09R CP3-DMX-10-HS |
Videos
UNBOXING S&S Diesel Fuel Pump and Injectors
S&S Diesel Motorsport LML CP3 Conversion Kits Explained
LML Duramax CP4 Fix, S&S 50 State Legal CP3 Conversion Kit Install
Optimize Performance & Reliability | S&S Diesel Duramax CP3 Pump Overview
Preventative Upgrades: Replacing CP4 with CP3 Pump & Fass Fuel System Install
S&S Diesel CP4 To DCR Fuel Pump Conversion Kit Q&A | XDP Tech Tips
S&S Diesel DCR Fuel Pump CP4 Conversion Kit Common Questions | XDP Q&A
Fleece Performance CP3 Conversion Kit for LML Duramax Complete Installation Including CP3 Pump
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