aFe · New
aFe Bladerunner GT Series Intercooler 17-18 GM Diesel Trucks V8-6.6L L5P (Intercooler Only)
MPN 46-20331 · Store SKU afe46-20331
Supplier stock checked 11/7/2026, 6:14:02 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
This BladeRunner GT Series Intercooler represents the next generation of intercoolers, utilizing a 2-5/8in bar and plate core design, making it larger than stock. End Tanks: The unique BladeRunner end tanks are constructed out of 3/16in TIG-Welded aluminum plates. 2-5/8in Bar and Plate Core Design: The use of the bar and plate core design allows for greater airflow and increased heat dissipation over the stock tube and fin design. Billet Aluminum Inlet/Outlet: This BladeRunner Intercooler uses billet aluminum inlet and outlet for superior strength and durability. Tig-Welded: 100% TIG-Welded by certified craftsmen for race proven strength and durability. Axillary Ports: This intercooler features four (4) 1/8in NPT ports on the back side of the intercooler for sensors or water methanol injection and two (2) 1/8in NPT ports on the bottom for draining condensation or oil build up. Perfect Fit: This BladeRunner intercooler utilizes factory mounting locations with the necessary hardware to ensure a secure install. BladeRunner GT Series Intercooler GM Diesel Trucks 17-19 V8-6.6L (td) L5P BladeRunner GT Series Intercooler
Manufacturer fitment & guides
Check 46-20331 against the manufacturer’s application information below.
Part-specific notes
- Not CARB approved. Destination and intended-use restrictions must be checked before sale.
- Emissions acknowledgement required before purchase.
- California Proposition 65: Y