OPGI.com works best with JavaScript enabled.
Free Shipping Free standard ground shipping on orders over    $299      $249
  • As seen on
  • All Girls Garage
  • Mecum Auctions

Cooler Lines, Transmission, 1978-80 Grand Prix, TH350, 2pc

Vehicle Specific View fitment
Part# GP30336
Sold As Set
Eligible for Price Match
$49.99
List Price: $55.95
You Save 11%
Arriving Soon
Add To Wishlist 

These preformed transmission lines replace the original transmission cooler lines and run from transmission to radiator following the factory routing. They are engineered from factory original lines and CNC manufactured for precision. They include the correct fittings, flares, and protective wrap (where equipped) and are designed to work with factory radiators and components.

Find Item In This Catalog

  • 2024 GM G-Body 1978-1988 116
WARNING: This product can expose you to chemicals including lead, sulfur, nickel, chromium, vanadium, titanium, polyvinyl chloride, and 4,4’-methylenebis (2-chloroaniline), which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Vehicle Fitment

Year Make Model Application Details
1978–1980 Pontiac Grand Prix TH350, 2-pc
  • Headshot of OPGI Employee
    Have a Question? Chat with an Expert or Call 1‑800‑243‑8355
    Mon‑Fri 8:00‑4:30 PT Experts are currently offline
  • Low Prices. Price Match Guarantee
  • GM Automotive Experts. We know car parts
  • Guaranteed Fitment. 100% factory accurate
  • Superior Selection. Largest selection of in-stock parts

Customers Who Viewed This Item Also Viewed

Reviews (0)

UH OH! Product reviews didn't load.
Please reload the page, or unblock our review partner Yotpo.com.