View our Specials! Coupon Code: SaveIn2026
Looking for aftermarket parts to modify or upgrade your 1990 GMC C3500 with belts - timing, accessory? At Tunersports.com we carry a huge selection of the top name brand performance belts - timing, accessory parts and accessories.
 OUT OF STOCK 6500CPGCOMP Cams Hi-Tech Belt Drive Systems with Idler Gears come with an extreme application belt for high rpm and high compression durability. They feature an infinitely adjustable Vernier sprocket for absolute timing accuracy. These belt drives are best in serious street performance and racing applicat... COMP Cams Belt Drive Std Chevy SB With 1988-1993 GMC C3500 Sierra / Sierra SLX 1988-1995 GMC C3500 Sierra SLE $1,540.50 |
 OUT OF STOCK K060938Gates 07-14 GMC Acadia Micro-V Belt 1990-1993 GMC C3500 Sierra / Sierra SLX 1990-1995 GMC C3500 Sierra SLE $57.50 |
 OUT OF STOCK K060956Gates 16-22 Volvo XC90 4-Cyl. 2.0L Serpentine Standard V-Ribbed Belt 1990-1991 GMC C3500 Sierra / Sierra SLE / Sierra SLX $67.40 |
 OUT OF STOCK K060956HDGates 90-91 Chevrolet C & K Series Pickup V-8 5.7L Serpentine Heavy Duty V-Ribbed Belt 1990-1991 GMC C3500 Sierra / Sierra SLE / Sierra SLX $74.39 |
 OUT OF STOCK K060966Gates Micro-V AT Belt 1990-1993 GMC C3500 Sierra / Sierra SLX 1990-2000 GMC C3500 Sierra SLE $69.05 |
 OUT OF STOCK K060970Gates 90-91 Audi V8 Quattro / 87-96 Ford F Series Pickup / 93-95 Jeep Gr Cherokee Micro-V AT Belt 1990-1993 GMC C3500 Sierra / Sierra SLX 1990-1995 GMC C3500 Sierra SLE $68.38 |
 OUT OF STOCK K060970HDGates Fleet Runner Micro-V Belts - 6 Ribs - 97.01in Length 1990-1993 GMC C3500 Sierra / Sierra SLX 1990-1995 GMC C3500 Sierra SLE $79.61 |
 OUT OF STOCK K061010Gates 96-99 Chevy Suburban/Tahoe / 02-05 Ford Explorer / 08-10 Mitsu Lancer/Outlander Micro-V Belt 1988-1993 GMC C3500 Sierra / Sierra SLE / Sierra SLX $63.73 |
 OUT OF STOCK K061010HDGates 92-98 Chevrolet C2500 RWD Cheyenne V8-6.5L Fleet Runner Micro-V Belts - 6 Ribs 1988-1993 GMC C3500 Sierra / Sierra SLE / Sierra SLX $75.50 |
 OUT OF STOCK K061020Gates 07-10 Ford Mustang GT Automotive Micro-V Belt 1988-1993 GMC C3500 Sierra / Sierra SLX 1988-1995 GMC C3500 Sierra SLE $64.17 |
 OUT OF STOCK K061020hdGates 88-93 Chevrolet K1500 Pickup 4WD Fleet Runner Micro-V Belts - 6 Ribs 1988-1993 GMC C3500 Sierra / Sierra SLX 1988-1995 GMC C3500 Sierra SLE $80.93 |
 OUT OF STOCK K061025Gates 05-10 Ford F Series V-8 5.4L Serpentine Standard V-Ribbed Belt 1988-1993 GMC C3500 Sierra / Sierra SLE / Sierra SLX $62.18 |
 OUT OF STOCK K061025HDGates K06 102.40in Length 102.97in Circumference .807in Width Micro-V Belt 1988-1993 GMC C3500 Sierra / Sierra SLE / Sierra SLX $79.39 |
 OUT OF STOCK 90K-38108Gates 90-91 Chevrolet C & K Series Pickup V8 5.7L Serpentine Belt Kit 1990-1991 GMC C3500 Sierra / Sierra SLE / Sierra SLX $140.87 |
OUT OF STOCK 90K-38143Gates 88-93 Chevrolet C & K Series Pickup V8 7.4L Serpentine Belt Kit 1988-1993 GMC C3500 Sierra / Sierra SLE / Sierra SLX $134.24 |
OUT OF STOCK 90K-38143BGates 90-93 Chevrolet C & K Series Pickup V8 7.4L Serpentine Belt Kit 1990-1993 GMC C3500 Sierra / Sierra SLE / Sierra SLX $131.02 |
OUT OF STOCK 90K-38267Gates 92-95 Chevrolet C & K Series Pickup V8 6.5L Diesel Serpentine Belt Kit 1988-1993 GMC C3500 Sierra / Sierra SLX 1988-1995 GMC C3500 Sierra SLE $131.21 |
 OUT OF STOCK 38108Gates 88-95 Chevrolet C & K Series Pickup V-8 5.7L Tensioner Assy. Belt Drive Tensioner 1988-1993 GMC C3500 Sierra / Sierra SLX 1988-1995 GMC C3500 Sierra SLE $87.41 |
 OUT OF STOCK 38143Gates 88-93 Chevrolet C & K Series Pickup V-8 7.4L Tensioner Assy. Belt Drive Tensioner 1988-1993 GMC C3500 Sierra / Sierra SLE / Sierra SLX $89.77 |
 OUT OF STOCK 38267Gates 92-95 Chevrolet C & K Series Pickup V-8 6.5L Diesel Tensioner Assy. Belt Drive Tensioner 1988-1993 GMC C3500 Sierra / Sierra SLX 1988-1995 GMC C3500 Sierra SLE $110.99 |