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GMC C3500 Cooling System Relays

This page covers cooling system relays for the GMC C3500, spanning model years 1985–2000. The range includes relay kits suited to this truck, sourced from brands with broad coverage for this application. Select your year above and we'll show only the cooling system relays that fit your GMC C3500. Fitment is checked against our vehicle data for every part listed.

1 - 2 of 2 results

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Picture of Painless Wiring Dual Activation Electric Fan Relay Kit

Painless Wiring Dual Activation Electric Fan Relay Kit

40 reviews
Vehicle Specific
from $63
In Stock (10+)
Picture for manufacturer Painless Wiring
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Best Seller Free Shipping
Picture of Painless Performance Fan-Thom II Electric Fan Relay Kit

Painless Performance Fan-Thom II Electric Fan Relay Kit

32 reviews
Vehicle Specific
from $49
In Stock (10+)
Picture for manufacturer Painless Wiring
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What's here for your GMC C3500

  • Cooling system relay kits

The widest selection here comes from Standard Motor Products and Painless Wiring, both offering strong coverage across the 1985–2000 GMC C3500 model range. Other categories GMC C3500 owners shop for: GMC C3500 Coolant Hoses and Pipes, GMC C3500 Exterior Lights and GMC C3500 Springs and Suspension Parts, or browse all GMC C3500 parts and accessories.