Description

Collector Reducer – 3 in Inlet to 2.25 in OD Outlet – 3-Bolt Flange – O2 Sensor Bung / Gasket – Steel – Natural – 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 HEDMAN

Originally designed for straight-line drag racers, word spread quickly about Hedman Hedder’s reputation for building quality headers designed for maximum power at a reasonable price. Today, Hedman not only sells headers but full exhaust kits and components.

International Shipping

Below are estimated rates and delivery times for popular destinations; full carrier options are available at checkout.

Our dedicated team has years of experience managing international logistics and customs documentation to ensure smooth delivery from our US warehouse to your door. Please review our shipping policy and local import regulations before ordering.

Loading international estimates...

Reviews

There are no reviews yet.

Be the first to review “HEDMAN 3in Oxygen Sensor Reducer 21107”

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

    STILO Sticker ST6 Visor / Sunscreen YA0932

    SKU: STIYA0932
    Product information
    Details...
    Original price was: $26.00.Current price is: $23.58.Add to cart
    Original price was: $26.00.Current price is: $23.58.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    PERMATEX The Right Stuff Gasket Maker 7oz. 25224

    SKU: PEX25224
    Product information
    • Weight0.683 lbs
    • Dimensions8.9 × 2.4 × 2.05 in
    • Product Line

      The Right Stuff

    • Container

      Aerosol

    • Volume

      7 oz

    • Quantity

      Each

    • Variant

      Yes

    Details...
    Original price was: $31.44.Current price is: $28.58.Add to cart
    Original price was: $31.44.Current price is: $28.58.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    MSD IGNITION Crank Trigger Wheel ASY16719

    SKU: MSDASY16719
    Product information
    • Weight0.695 lbs
    • Dimensions9 × 6.55 × 1.35 in
    • Quantity

      Each

    • Material

      Aluminum

    • Color

      Red

    • Finish

      Anodized

    • Product Line

      Flying Magnet

    Details...
    Original price was: $198.72.Current price is: $180.65.Add to cart
    Original price was: $198.72.Current price is: $180.65.
    Quantity Only 2 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    RANCHO 7MT Shock RS77324

    SKU: RAN77324
    Product information
    • Weight5.753 lbs
    • Dimensions24.25 × 3.25 × 3.25 in
    • Product Line

      RS7MT

    • Internal Design

      Monotube

    • Gas/Hydraulic

      Gas

    • Stroke Length

      8.58 in

    • Compressed Length

      16.02 in

    Details...
    Original price was: $91.99.Current price is: $79.99.Add to cart
    Original price was: $91.99.Current price is: $79.99.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    LOKAR Engine Dipstick Mopar Big Block Engine ED-5026

    SKU: LOKED-5026
    Product information
    • Weight0.615 lbs
    • Dimensions28.8 × 2.4 × 2.2 in
    • Mount Location

      Oil Pan

    • Flexible / Solid

      Flexible

    • Tube Material

      Braided Stainless

    • Tube Color

      Natural

    • Tube Finish

      Natural

    Details...
    Original price was: $114.00.Current price is: $102.95.Add to cart
    Original price was: $114.00.Current price is: $102.95.
    Quantity Only 2 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    LOKAR Ford Explorer Clevis EC-81FC

    SKU: LOKEC-81FC
    Product information
    • Weight0.135 lbs
    • Dimensions7.6 × 5.8 × 0.65 in
    • UPC Code

      815470007820

    • Brand

    • Condition

    • Type

    • Manufacturer Part Number

      EC-81FC

    Details...
    Original price was: $62.65.Current price is: $56.95.Add to cart
    Original price was: $62.65.Current price is: $56.95.
    Quantity Only 2 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    KRC POWER STEERING LS Engine Mounts Pair KRC 79000000

    SKU: KRC79000000
    Product information
    • Weight4.8 lbs
    • Dimensions13.3 × 6.6 × 4.3 in
    • Hardware Included

      Yes

    • Quantity

      Pair

    • Solid Mount

      Yes

    • Engine Side Included

      Yes

    • Engine Side Mounting

      Bolt On

    Details...
    Original price was: $121.70.Current price is: $105.83.Add to cart
    Original price was: $121.70.Current price is: $105.83.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    Ti22 PERFORMANCE Dust Boot For Torque Ball TIP4728

    SKU: TIP4728
    Product information
    • Weight0.13 lbs
    • Dimensions6.05 × 5.9 × 2.7 in
    • Material

      Rubber

    • Color

      Black

    • Finish

      Natural

    • Quantity

      Each

    • Outside Diameter

      4.438 in

    Details...
    Original price was: $56.39.Current price is: $46.99.Add to cart
    Original price was: $56.39.Current price is: $46.99.
    Quantity Only 2 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    WINTERS Quick Change Gears 4424

    SKU: WIN4424
    Product information
    • Weight3.55 lbs
    • Dimensions7.2 × 4.6 × 1.5 in
    • Spline

      6

    • Set Number

      24.0

    • Gear 1 Tooth Count

      23.0

    • Gear 2 Tooth Count

      30.0

    • 3:78 Ring And Pinion Low Ratio

      0.145833333

    Details...
    Original price was: $90.12.Current price is: $81.93.Add to cart
    Original price was: $90.12.Current price is: $81.93.
    Quantity Only 2 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    WINTERS Quick Change Gears 8520A

    SKU: WIN8520A
    Product information
    • Weight6.6 lbs
    • Dimensions8.8 × 4.9 × 1.9 in
    • Spline

      10.0

    • Set Number

      20A

    • Gear 1 Tooth Count

      21.0

    • Gear 2 Tooth Count

      27.0

    • 4:12 Ring And Pinion Low Ratio

      3.2

    Details...
    Original price was: $128.16.Current price is: $116.51.Add to cart
    Original price was: $128.16.Current price is: $116.51.Add to wishlist

    66