Air and Fuel› Fuel Pumps, Regulators and Components

S&S Diesel

RAM CP3 Conversion Kit without Pump

$1,750.00

SKU: S09R RAM-CP3-KIT

In Stock
In Stock
Ships by Jun 7
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Description

The S&S Diesel RAM-CP3-KIT replaces the problematic Bosch CP4.2 high-pressure pump with a more durable Bosch CP3 pump, offering improved durability and high-speed performance. It is CARB-compliant (EO #D-756-5) for durability improvements and does not alter engine output.

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

BrandS&S Diesel
Part NumberS09R RAM-CP3-KIT

Videos

S&S Diesel CP3 Conversion Kit Install On My 2019 Ram 3500

S&S Diesel CP3 Conversion Kit Install On My 2019 Ram 3500
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SWAP, BEFORE IT'S TOO LATE! 2019+ Ram HD 6.7 Cummins CP3 Conversion
How To Avoid A $10k Repair When Your CP4 Pump Fails!

How To Avoid A $10k Repair When Your CP4 Pump Fails!
5th Gen Cummins S&S CP3 Swap

5th Gen Cummins S&S CP3 Swap
S&S Diesel DCR Fuel Pump CP4 Conversion Kit Common Questions | XDP Q&A

S&S Diesel DCR Fuel Pump CP4 Conversion Kit Common Questions | XDP Q&A
Maverick Monday: 2020 Cummins CP4 Fix!

Maverick Monday: 2020 Cummins CP4 Fix!
SAVE YOUR 6.7 CUMMINS CP4! 2019-2020 Ram HD Fuel System Upgrades & Protection

SAVE YOUR 6.7 CUMMINS CP4! 2019-2020 Ram HD Fuel System Upgrades & Protection
CP4 TO CP3 CONVERSION ON 5TH GEN CUMMINS!!

CP4 TO CP3 CONVERSION ON 5TH GEN CUMMINS!!
The FINAL Missing Piece to the 5th Gen Ram Build!!!! It's Now Perfect!!!

The FINAL Missing Piece to the 5th Gen Ram Build!!!! It's Now Perfect!!!

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.

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