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GMC K3500 Radiators and Coolers
This page brings together radiators and coolers for the GMC K3500, covering model years 1967–2000, including radiators, automatic transmission oil coolers, engine oil coolers, radiator caps, and related hardware. Choose your model year above and this page keeps only the radiators and coolers that fit your GMC K3500. Each listing is matched to our vehicle fitment data before it appears here.
1 - 28 of 28 results
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Derale Performance 13960 Hyper-Cool Transmission Cooler Kit -6AN with 500 CFM Electric Fan
Part: 13960
Vehicle Specific
$490.16
In Stock (10+)
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In Stock (10+)
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In Stock (10+)
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In Stock (10+)
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Derale Performance 15602 10-Row Stack Plate Engine Oil Cooler Kit with Thermostatic Sandwich Adapter
Part: 15602
Universal Fit
$243.10
In Stock (5)
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In Stock (5)
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In Stock (5)
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In Stock (10+)
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Mishimoto MMRAD-CAM-70 Aluminum Performance Radiator 1970-1981 Chevy Camaro
Part: MMRAD-CAM-70
Vehicle Specific
$392.95
In Stock (10+)
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In Stock (10+)
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4 left at this price
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In Stock (9)
BD Diesel 1030606-5/16 Xtrude Transmission Cooler with Fan Kit for Lines - 5/16in
Part: 1030606-5/16
Vehicle Specific
$627.93
Ships from manufacturer
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Prothane 7-1713 Radiator Support Insulator Kit Chevy/GMC Small Block 1988-1998
Part: 7-1713
Vehicle Specific
$15.91
Ships from manufacturer
Prothane 7-1714 Polyurethane Radiator Insulator Kit Big Block Chevy Truck
Part: 7-1714
Vehicle Specific
$11.22
Ships from manufacturer
Prothane 7-1714-BL Radiator Support Insulator Kit Chevy Truck Big Block 88-98
Part: 7-1714-BL
Vehicle Specific
$11.22
Ships from manufacturer
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Derale Performance 35621 Thermostatically Controlled LS Engine Oil Cooler Adapter Kit
Part: 35621
Vehicle Specific
$204.74
2 left at this price
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Derale Performance 35601 LS Engine Oil Cooler Block-Off Adapter with 1/8" NPT Ports
Part: 35601
Vehicle Specific
$64.35
1 left at this price
What's here for your GMC K3500
- Radiators — OE replacement, heavy-duty, and performance styles
- Automatic Transmission Oil Coolers
- Engine Oil Coolers and Engine Oil Cooler Lines
- Engine Oil Cooler Line Connectors
- Radiator Caps
- Radiator Insulators and related gasket components
The widest selection here comes from Dorman, Hayden Automotive, ACDelco, and Spectra, spanning OE replacement and heavy-duty fitments across the K3500's long production run. Other categories GMC K3500 owners shop for: GMC K3500 Exhaust and Tail Pipes, GMC K3500 Brake Hardware and GMC K3500 Valve Train Parts, or browse all GMC K3500 parts and accessories.