Product images and videos are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Engines and Components› Oiling Systems
PETERSON FLUID
Peterson Fluid Systems R4 4-Stage Oil Pump - Right Side Mount - HV - Rear Drive - Front Pressure
SKU: P02O 04-4027
Advanced — 4+ hours
Overview
Show original supplier description
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
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 | PETERSON FLUID |
| Part Number | P02O 04-4027 |
Videos
Dry Sump System Explained With Peterson Fluid Systems
Dry Sump Pump Assembly
StreetlegalTV.com - Peterson Fluid Systems New Oil Pump
Oil System FAQ and Theory - With Mike from Peterson Fluid Systems
An Intro to Dry Sump Oiling System - With Peterson Fluid Systems
Primer Build
An Intro to Oiling Systems with Peterson Fluid Systems
Bill Sparling - Peterson Fluid Systems
We’re here — turning wrenches, just like you.
Call us, follow along, or come say hi.
Buy with Confidence
Returns & Fitment
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 PolicyShipping
Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.
View Full Shipping Policy