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

    PROFORM Harmonic Balancer Install Tool – Ford 66525

    SKU: PFM66525
    Product information
    • Weight1.11 lbs
    • Dimensions9.6 × 2.45 × 2.3 in
    • Material

      Steel

    • Color

      Black

    • Finish

      Oxide

    • Quantity

      Each

    • Install

      Yes

    Details...
    Original price was: $55.99.Current price is: $50.90.Add to cart
    Original price was: $55.99.Current price is: $50.90.
    Quantity Only 7 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    PRO SHOCK Spanner Wrench Z902

    SKU: PROZ902
    Product information
    • Weight0.37 lbs
    • Dimensions9.8 × 2.55 × 1.35 in
    • Quantity

      Each

    • Style

      Spanner Wrench

    • Intended Purpose

      Coil-Over

    • Intended Coil-Over Diameter Minimum

      2-1/4 in

    • Intended Coil-Over Diameter Maximum

      2-1/2 in

    Details...
    Original price was: $20.15.Current price is: $16.79.Add to cart
    Original price was: $20.15.Current price is: $16.79.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    PERTRONIX IGNITION Repl. Module Igniter British Cast Distributor D500707

    SKU: PRTD500707
    Product information
    • Weight0.17 lbs
    • Dimensions4.2 × 3.15 × 3.1 in
    • Product Line

      Ignitor II

    • Quantity

      Each

    • Wiring Harness Included

      Yes

    • Material

      Steel/Plastic

    • Color

      Black/Natural

    Details...
    Original price was: $129.00.Current price is: $116.90.Add to cart
    Original price was: $129.00.Current price is: $116.90.
    Quantity Only 3 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    PYROTECT Suit Junior Large Black SFI-1 JS100220

    SKU: PYRJS100220
    Product information
    • Weight2.2 lbs
    • Dimensions16.4 × 14.45 × 3.35 in
    • Size

      Youth Large

    • Sfi Rating

      3.2A/1

    • Material

      Fire Retardant Fabric

    • Color

      Black

    • Quantity

      Each

    Details...
    Original price was: $175.00.Current price is: $159.00.Add to cart
    Original price was: $175.00.Current price is: $159.00.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    QA1 Coil-Over Hardware Kit COK103

    SKU: QA1COK103
    Product information
    Details...
    Original price was: $118.75.Current price is: $107.95.Add to cart
    Original price was: $118.75.Current price is: $107.95.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    LOKAR Engine Dipstick Ford 302 Engine ED-5013

    SKU: LOKED-5013
    Product information
    • Weight0.66 lbs
    • Dimensions28.9 × 2.4 × 2.2 in
    • Quantity

      Each

    • Mount Location

      Oil Pan

    • Flexible / Solid

      Flexible

    • Tube Material

      Braided Stainless

    • Tube Color

      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 3 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    SEALED POWER Moly Piston Ring Set E286K30

    SKU: SEAE286K30
    Product information
    • Weight1.123 lbs
    • Dimensions5.2 × 5 × 3.2 in
    • Product Line

      Performance

    • Bore (Standard)

      4.070 in

    • Bore (Metric)

      103.378 mm

    • Tension

      Standard

    • Top Ring Included

      Yes

    Details...
    Original price was: $83.02.Current price is: $75.47.Add to cart
    Original price was: $83.02.Current price is: $75.47.
    Quantity Only 9 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    SEALED POWER Moly Piston Ring Set E289K

    SKU: SEAE289K
    Product information
    • Weight1.3 lbs
    • Dimensions5.2 × 5 × 3.25 in
    • Product Line

      Performance

    • Bore (Standard)

      4.313 in

    • Bore (Metric)

      109.525 mm

    • Tension

      Standard

    • Top Ring Included

      Yes

    Details...
    Original price was: $151.87.Current price is: $138.06.Add to cart
    Original price was: $151.87.Current price is: $138.06.
    Quantity Only 2 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    TRANS-DAPT Oldsmobile Water Neck 9403

    SKU: TRA9403
    Product information
    • Weight1.21 lbs
    • Dimensions5 × 4.75 × 3.25 in
    • Material

      Steel

    • Color

      Chrome

    • Finish

      Plated

    • Quantity

      Each

    • Hardware Included

      Yes

    Details...
    Original price was: $31.68.Current price is: $28.80.Add to cart
    Original price was: $31.68.Current price is: $28.80.
    Quantity Only 2 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    VIBRANT PERFORMANCE Alignment Tool Quick Release 2.5in Clamp 12625

    SKU: VIB12625
    Product information
    • Weight0.57 lbs
    • Dimensions86 × 6.35 × 6.2 in
    • Style

      T-Bolt

    • Material

      Stainless

    • Color

      Natural

    • Quantity

      Each

    • Variant

      Yes

    Details...
    Original price was: $90.00.Current price is: $80.99.Add to cart
    Original price was: $90.00.Current price is: $80.99.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist

    54