Complete Cooling System for 1999 GMC C2500
Everything you need to convert your 1999 GMC C2500 to a full electric-fan aluminum cooling setup — radiator, matched fan shroud, electric fans, relay wiring and finishing accessories, all verified to fit. The parts ship as a coordinated package: accessories ship together, and the radiator ships in its own protective box.
This system fits the following 1999 GMC C2500 engines:
5.0L 305ci V8 / 5.7L 350ci V8 / 7.4L 454ci V8
Note: 34" Wide Core. See Part#622 for 28.25" Wide Core.
The best of everything for your 1999 GMC C2500
Our top-tier pick for every slot — 3-row core, SPAL fans, Bluetooth fan control — assembled and ready in a single click.

88-00 GMC K3500 Aluminum Radiator — Champion 1520 — CC1520
x1
$315.00

All Aluminum Fan Shroud Fits (2) 16" Fans for CC1520 FS1520-2x16
x1
$165.00

SPAL 16" Electric Fan — High Performance Race - Pull / Curved
x2
$605.88

Bluetooth Fan Controller with Dual Fan Relay
x1
$164.95

Billet-Smooth edge Radiator Cap
x1
$25.00
Complete premium system: $1,275.83
- 1
Radiator

88-00 GMC K3500 Aluminum Radiator — Champion 1520
From $315.00
Available in 2-row, 3-row, 4-row and 1-inch-tube configurations — pick yours on the product page.
34" Wide Core. See Part#622 for 28.25" Wide Core. - 2
Matched Fan Shroud
Built to bolt onto this radiator family, so the fans pull air across the full core.
- 3
Electric Fans
High-CFM electric fans sized for the shroud openings — no clearance guesswork.
- 4
Relay Kit
Switched power for the fans with a temperature trigger, wired the right way.
- 5
Accessories
Finish the install with a matching cap and inline coolant filter.
Estimated system total: from $720.00
Choose your configuration and we'll walk you through the rest — shroud, fans, relay and accessories — right after you add the radiator to your cart.
Other radiator families that fit the 1999 GMC C2500
- 94-00 GMC K3500 Aluminum Radiator — Champion 1523
- 94-00 GMC K3500 Aluminum Radiator — Champion 1696
- 88-00 GMC K3500 Aluminum Radiator — Champion 62228.25" Wide Core. See Part#1520 for 34" Wide Core.
