1988 GMC W-Series Radiator Caps
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- Gates®Engine Coolant Replacement Radiator CapGMC W-Series 5.8L / 8.4L 1988, Engine Coolant Replacement Radiator Cap by Gates®. Pressure: 7 psi. Type: Optional System. Shell Diameter: 2.33". Filler Neck Outside Diameter: 2.13". Cap Depth: 1.25". Filler Neck Inside Diameter: 1.61"....Wide range of applications covering all makes and modelsManufactured to meet or exceed OEM specifications in function, form and fit$5.23
- Gates®Engine Coolant Safety Release Radiator CapGMC W-Series 5.8L / 8.4L 1988, Engine Coolant Safety Release Radiator Cap by Gates®. Pressure: 7 psi. Type: Optional System. Shell Diameter: 2.61". Filler Neck Outside Diameter: 2.13". Cap Depth: 1.5". Filler Neck Inside Diameter:...Great design and functionMade from sturdy materials$7.62