Description

Oil Cooler Adapter – Sandwich – 3/4-16 in Center Thread – 3/8 in NPT Female Inlet – 3/8 in NPT Female Outlet – Aluminum – 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 PERMA-COOL

Using knowledge gained from years of motorsports involvement, Perma-Cool has developed an extensive, high-quality product line. In addition to their race-proven oil and transmission coolers, Perma-Cool offers electric and mechanical fans, oil adapters and filter mounts, complete filtering systems, specialty coolers, and much more.

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 “PERMA-COOL Sandwich Adapter 181”

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

    PIT-PAL PRODUCTS Mini Spark Plug Caddy 229

    SKU: PIT229
    Product information
    • Weight0.31 lbs
    • Dimensions4.45 × 4.45 × 3.45 in
    • Material

      Aluminum

    • Color

      Natural

    • Finish

      Anodized

    • Quantity

      Each

    • Intended Purpose

      Spark Plug Caddy

    Details...
    Original price was: $23.87.Current price is: $21.70.Add to cart
    Original price was: $23.87.Current price is: $21.70.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    PERTRONIX IGNITION Ignitor Conversion Kit 1442P6

    SKU: PRT1442P6
    Product information
    • Weight0.2 lbs
    • Dimensions6.15 × 4.85 × 1.6 in
    • Product Line

      Ignitor

    • Trigger Method

      Magnetic

    • Voltage

      6V

    • Positive / Negative Ground

      Positive

    • Quantity

      Kit

    Details...
    Original price was: $205.00.Current price is: $185.58.Add to cart
    Original price was: $205.00.Current price is: $185.58.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    PERTRONIX IGNITION Ignitor II Conversion Kit 91361A

    SKU: PRT91361A
    Product information
    • Weight0.31 lbs
    • Dimensions6.15 × 4.8 × 1.55 in
    • Product Line

      Ignitor II

    • Quantity

      Kit

    • Trigger Method

      Magnetic

    • Voltage

      12V

    • Positive / Negative Ground

      Negative

    Details...
    Original price was: $230.00.Current price is: $208.60.Add to cart
    Original price was: $230.00.Current price is: $208.60.
    Quantity Only 8 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    MSD IGNITION SBC Pro Billet Dist 8356

    SKU: MSD8356
    Product information
    • Weight5.455 lbs
    • Dimensions18.4 × 7.25 × 6.85 in
    • Product Line

      Pro-Billet Dual Pickup

    • Trigger Style

      Magnetic

    • Advance Type

      Mechanical

    • Cap Style

      Male

    • Cap Color

      Red

    Details...
    Original price was: $699.00.Current price is: $634.95.Add to cart
    Original price was: $699.00.Current price is: $634.95.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    MARCH PERFORMANCE Pulley 7006

    SKU: MPP7006
    Product information
    • Weight1.985 lbs
    • Dimensions6.45 × 6.3 × 4.7 in
    • Diameter

      5.5 in

    • Short / Long Water Pump

      Long

    • Material

      Aluminum

    • Color

      Natural

    • Finish

      Powder Coat

    Details...
    Original price was: $101.32.Current price is: $92.11.Add to cart
    Original price was: $101.32.Current price is: $92.11.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    HURST Roll Control Solenoid 5667550

    SKU: HUR566-7550
    Product information
    • Weight1.03 lbs
    • Dimensions7.15 × 4.4 × 1.8 in
    • Material

      Stainless

    • Color

      Polished

    • Finish

      Polished

    • Quantity

      Each

    • Product Line

      Roll Control

    Details...
    Original price was: $198.00.Current price is: $179.95.Add to cart
    Original price was: $198.00.Current price is: $179.95.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    HUSKY LINERS Ventvisor Low Pro 2854092

    SKU: HSK2854092
    Product information
    • Weight3 lbs
    • Dimensions46.88 × 11.88 × 1.88 in
    • Product Line

      Low Profile Ventvisor

    • Application Specific

      Yes

    • Front Mounting Style

      Stick-On

    • Rear Mounting Style

      Stick-On

    • In Channel / Out Of Channel

      Out of Channel

    Details...
    Original price was: $99.00.Current price is: $89.99.Add to cart
    Original price was: $99.00.Current price is: $89.99.
    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 8551

    SKU: WIN8551
    Product information
    • Weight7.015 lbs
    • Dimensions8.9 × 5.1 × 1.95 in
    • Spline

      10.0

    • Set Number

      51

    • Gear 1 Tooth Count

      17.0

    • Gear 2 Tooth Count

      30.0

    • 4:12 Ring And Pinion Low Ratio

      2.34

    Details...
    Original price was: $128.16.Current price is: $116.51.Add to cart
    Original price was: $128.16.Current price is: $116.51.
    Quantity Only 4 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    DYNOMAX Pipe - Reducer 41961
    Add to wishlist

    DYNOMAX Pipe – Reducer 41961

    SKU: DYN41961
    Product information
    • Weight0.51 lbs
    • Dimensions4.55 × 2.7 × 2.7 in
    • Length

      4-1/2 in

    • Material

      Steel

    • Color

      Natural

    • Finish

      Aluminized

    • Quantity

      Each

    Details...
    Original price was: $6.01.Current price is: $5.46.Add to cart
    Original price was: $6.01.Current price is: $5.46.
    Quantity Only 2 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    DIVERSIFIED MACHINE Alum Hard Anodized Insert For SRC2308 SRC-2309
    Add to wishlist

    DIVERSIFIED MACHINE Alum Hard Anodized Insert For SRC2308 SRC-2309

    SKU: DMISRC-2309
    Product information
    • Weight0.71 lbs
    • Dimensions6.85 × 6.55 × 3 in
    • Material

      Aluminum

    • Color

      Silver

    • Finish

      Anodized

    • Quantity

      Each

    • Component Type

      Torque Ball Insert

    Details...
    Original price was: $78.75.Current price is: $71.59.Add to cart
    Original price was: $78.75.Current price is: $71.59.Add to wishlist

    17