Description

O-Ring – 0.302 in ID – 0.432 in OD – 0.06 in Thick – Rubber – Oil Pump Bypass – Each

Why Choose Us?



Frequently Asked Questions​

As an Authorized Automotive Retailer in the United States, we take pride in guaranteeing 100% authentic products from all brands available on our website. With partnerships spanning 1,000+ brands and a network of 20+ distributor warehouses nationwide, we maintain millions of auto parts in inventory across the USA, ensuring quick shipping and reliable service to our customers. When you shop with us, you're investing in quality and trust.
We believe we have the fastest backorder system in the U.S. auto parts industry, thanks to our strong partnerships with brands and vendors. Nearly all backordered auto parts are shipped directly by the vendors without any additional delays, or they are placed as special orders on the same day. In most cases, backordered parts are delivered within 5-10 days.
We offer unbeatable prices and the best shipping rates on auto parts, with exclusive protection and insurance included to safeguard your order from damage or loss. Enjoy convenient door-to-door delivery, real-time tracking, and our 100% satisfaction guarantee for a smooth, worry-free experience.
Our standard shipping typically takes 1-3 business days. We will provide estimated shipping time for each product. While we aim to deliver as quickly as possible, this timeframe ensures all orders are processed, prepared, and dispatched with care. If the products are not ready for shipping in 72 hours, we will refund you 100%
Absolutely. Once your order is dispatched, you’ll receive an email with tracking details, so you can follow your shipment every step of the way. Every step of shipping process will be sent through email notifications or using tracking page.
Every product page includes a stock level indicator to show what’s available. We always update the inventory 24/24. We’ll be happy to check availability and provide updates on new stock arrivals if you need a help.
We’re sorry to hear that your order wasn’t delivered in perfect condition. Please email us with your order number, a description of the issue, and photographs of the damaged item. Once we receive this information, we’ll arrange for a replacement or refund and handle the return process.
You can return items within 30 days of receipt. Ensure the product is new in its original packaging and securely wrapped for safe transit. Once we receive the item in sellable condition, we’ll issue a full refund for the product value. Contact us for the return address and further instructions.

About PETERSON FLUID

Peterson Fluid Systems specializes in high-performance solutions for automotive fluids. They offer oil pumps for both wet and dry sump applications, oil tanks, oil and fuel filters, plumbing, and cooling accessories, as well as drive pulleys and related components.

Reviews

There are no reviews yet.

Be the first to review “PETERSON FLUID O-Ring Bypass 3-903”

Your email address will not be published. Required fields are marked *

Recently viewed products

  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    FLUIDYNE PERFORMANCE Radiator Module Whelen Modified LFR Chassis MRA.LFR

    SKU: DUNMRA.LFR
    Product information
    Details...
    Original price was: $1,094.00.Current price is: $994.50.Add to cart
    Original price was: $1,094.00.Current price is: $994.50.
    Quantity Only 4 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    REESE Towing Starter Kit 40565

    SKU: REE40565
    Product information
    • Weight11.165 lbs
    • Dimensions14.95 × 9.1 × 3.4 in
    • Product Line

      Interlock

    • Component Type

      Ball Mount Hitch

    • Drop Amount

      2 in

    • Raised Amount

      3/4 in

    • Tongue Weight

      600 lb

    Details...
    Original price was: $113.99.Current price is: $94.99.Add to cart
    Original price was: $113.99.Current price is: $94.99.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    KYB SHOCKS Shock/Strut Each 565125

    SKU: KYB565125
    Product information
    • Weight6.253 lbs
    • Dimensions26.5 × 3.25 × 3.25 in
    • Product Line

      MonoMax

    • Internal Design

      Monotube

    • Gas/Hydraulic

      Gas

    • Rear Shock Upper Mount

      Bushed Eyelet

    • Rear Shock Lower Mount

      Bushed Eyelet

    Details...
    Original price was: $157.25.Current price is: $142.95.Add to cart
    Original price was: $157.25.Current price is: $142.95.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    JP PERFORMANCE SBM Billet Double Roller Timing Set JP5985-LB05

    SKU: JPP5985-LB5
    Product information
    • Weight3.72 lbs
    • Dimensions10.2 × 6.7 × 1.5 in
    • Chain Included

      Yes

    • Chain A Style

      Roller

    • Chain A Rows

      Double

    • Chain Length Shorter Than Oe

      0.005 in

    • Chain Link Quantity

      68.0

    Details...
    Original price was: $146.00.Current price is: $132.47.Add to cart
    Original price was: $146.00.Current price is: $132.47.
    Quantity Only 3 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    WEATHERTECH Black Seat Protector Uni versal DE2020CH

    SKU: WEADE2020CH
    Product information
    • Weight4.45 lbs
    • Dimensions15.8 × 11.3 × 5.85 in
    • Material

      Polyester Cotton Blend

    • Color

      Black

    • Finish

      Natural

    • Quantity

      Each

    • Front / Rear

      Rear

    Details...
    Original price was: $153.00.Current price is: $138.95.Add to cart
    Original price was: $153.00.Current price is: $138.95.
    Quantity Only 2 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    HOLLEY Main Jets (2) 122-52

    SKU: HLY122-52
    Product information
    • Weight0.02 lbs
    • Dimensions5 × 3.5 × 0.55 in
    • Fuel Type

      Gasoline

    • Inside Diameter

      0.0520 in

    • Jet Number

      52.0

    • Style

      Main

    • Thread

      1/4-32 in

    Details...
    Original price was: $17.00.Current price is: $14.69.Add to cart
    Original price was: $17.00.Current price is: $14.69.
    Quantity Only 3 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    HOLLEY Main Jets (2) 122-50

    SKU: HLY122-50
    Product information
    • Weight0.025 lbs
    • Dimensions5 × 3.5 × 0.6 in
    • Fuel Type

      Gasoline

    • Inside Diameter

      0.0490 in

    • Jet Number

      50.0

    • Style

      Main

    • Thread

      1/4-32 in

    Details...
    Original price was: $17.00.Current price is: $14.69.Add to cart
    Original price was: $17.00.Current price is: $14.69.
    Quantity Only 9 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    G-FORCE Shield R17 Blue Mirror 8705

    SKU: GFR8705
    Product information
    • Weight0.43 lbs
    • Dimensions10.7 × 7.2 × 6.4 in
    • Color

      Blue

    • Quantity

      Each

    • Variant

      Yes

    • Variant Group

      HelmetShields7

    • Variant Column

      Manufacturer Color

    Details...
    Original price was: $86.25.Current price is: $75.00.Add to cart
    Original price was: $86.25.Current price is: $75.00.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    FAST ELECTRONICS O2 Sensor for Air/Fuel Meter 170408

    SKU: FST170408
    Product information
    • Weight0.38 lbs
    • Dimensions9.05 × 5.85 × 1.55 in
    • Quantity

      Each

    • Cat3.5

      Oxygen Sensors

    • Narrowband / Wideband

      Wideband

    • Style

      EZ-EFI Bosch

    • Oem Replacement

      Yes

    Details...
    Original price was: $142.54.Current price is: $123.95.Add to cart
    Original price was: $142.54.Current price is: $123.95.Add to wishlist
  • Add to wishlist
    Sale
    FLOWMASTER 50 Series Performance SUV Muffler 53055
    Add to wishlist

    FLOWMASTER 50 Series Performance SUV Muffler 53055

    SKU: FLO53055
    Product information
    • Weight16.8 lbs
    • Dimensions24.55 × 10.6 × 6.1 in
    • Product Line

      Super 50 Series

    • Internal Construction

      Chambered

    • Base Construction

      Welded

    • Case Shape

      Oval

    • Case Length

      17 in

    Details...
    Original price was: $226.00.Current price is: $204.95.Add to cart
    Original price was: $226.00.Current price is: $204.95.
    Quantity Only 6 left in stock!
    -+
    Add to cart
    Add to wishlist

    33