Heating and Cooling Heaters

HPS Performance

HPS Performance Black Reinforced Silicone Heater Hose Kit for Mazda 86-92 RX7 FC3S Non Turbo LHD

$123.00

SKU: H00A 57-1421-BLK

In Stock
In Stock
Ships by Jun 20
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The HPS Performance Silicone Heater Coolant Hose Kit is a 3-ply reinforced silicone hose designed to replace the stock OEM rubber heater coolant hoses for the 1986-1992 Mazda RX-7 FC3S Non Turbo Left Hand Drive. This kit is engineered for extreme high-temperature service, with a maximum rating of 350F. It includes 100% stainless steel clamps for easy installation.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandHPS Performance
Part NumberH00A 57-1421-BLK

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy