Sale

Heating and Cooling Radiators

Mishimoto

Mishimoto 1988-1994 Chevrolet S10 / GMC S15 Sonoma 4.3L Replacement Radiator

$214.00 $194.95 Save $19.05

SKU: M00C R681-AT

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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Part #: R681-AT

This 1988-1994 Chevrolet S10 / GMC S15, Sonoma 4.3L is a direct OEM replacement for your old stock unit. There is no need to bend, cut, or modify anything to ensure a proper fitment in your vehicle. This radiator features OEM spec plastic end tanks attached to an aluminum core for stock cooling efficiency. At some point the inevitable happens to original stock radiators. They either spring a leak, get clogged up, or a plastic inlet or outlet cracks due to years of constant clamp pressure. This 1988-1994 Chevrolet S10 / GMC S15, Sonoma 4.3L Replacement Radiator radiator is a perfect replacement to keep your cooling system in top notch shape, and just like all Mishimoto parts, comes with the Mishimoto Lifetime Warranty.

Features:

  • Direct fit for 1988-1994 Chevrolet S10 / GMC S15, Sonoma 4.3L
  • Ideal replacement for an aged, clogged, or leaking stock radiator
  • Functions with all stock engine bay equipment
  • Mishimoto Lifetime Warranty

Replacement Radiator, fits Chevrolet S10 / GMC S15, Sonoma 4.3L 1988-1994

MIA's Description

The Mishimoto R681-AT is a replacement radiator designed for 1988-1994 Chevrolet S10, GMC S15, and Sonoma models with the 4.3L engine. This radiator is a direct OEM replacement, requiring no modifications for installation.

It features an aluminum core with OEM-spec plastic end tanks, providing stock cooling efficiency. This radiator is an ideal solution for replacing aged, clogged, or leaking original units and functions with all stock engine bay equipment.

Fitment

Fitment Guaranteed

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

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Specifications

BrandMishimoto
Part NumberM00C R681-AT

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.

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