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Heater Core Crossover Coolant Hose 5/8' End and 3/4' End with 2PCS Clamps for LS for LT

4.4 (8) Write Review
Free shipping on orders over $29.99

$10.49

$ 5 .99 $5.99

In Stock

About this item

  • This hose is made of high quality sicilone,come with 2pcs stainless steel clamps
  • The hose is used to adjust the heater hose outlets of your LS/LT engine water pump,can be a direct replacement for your entire failed heater core
  • Hose Ends Size: One end is 5/8" and the other is 3/4"
  • Compatible with 98-up LS LT GEN 3 4 5 Engine with 5/8" and 3/4" heater supply and return ports.
  • PQY CUSTOMER SERVICE:If you have any problem ,please contact us and we will respond you in 24 hours except weekends and holidays.


Product Description

OFK03-1

PQY LS Heater Core Bypass Hose Coolant Crossover + 2pcs Clamps

  • For 98-up LS LT GEN 3 4 5 Engine with 5/8" and 3/4" heater supply and return ports.

PERFORMANCE:

  • Loops the heater supply and return ports on your LS/LT water pump.
  • Reduce curb weight by allowing safe removal of the heater core.
  • Prevent and fix the coolant leaking and engine overheating problem.
  • Long-lasting quality and engineered for high-temperature service and prolonged exposure to under-hood and coolant heat.

Application:

FETURES:

  • High quality silicone hose with 2pcs Stainless Steel clamps.
  • Oil, Coolant and Fuel-Resistant Finish,easy to clean.
  • Good for deleting the heater on your LS swapped vehicle.
  • HOSE ENDS: One end is 5/8 and the other is 3/4.
OFK03-2
OFK03-4
OFK03-5

James Smith
August 16, 2025
Fit like a glove on my 2002 Camaro Z28. Held up well. Would buy again.
Customer
July 11, 2025
I’m putting a GenV LT in a 37 PU. Took me a minute to install
Jeff
June 17, 2025
The fit was perfect. Needs to come with standard clamps. The factory spring clamps are hard to work with on the road.
Customer
June 8, 2025
Has been holding up great in my 1959 mod
Kayce G.
April 8, 2025
clamps are cheap but hose seals nice and tight sizing is correct one. works for engine stand runs or just heater core delete on ls engines
Anthony
March 22, 2025
Fits 5.3ls engine
Great Lakes Gro
March 5, 2025
Got me out of a heater core dilemma.
ron vanert
December 17, 2024
ok