Cap Fittings

Block-Off Cap, Heater Hose Bypass, Rubber, 3/4 in., Buick, Chevy, Oldsmobile, Pontiac, Each

Part Number: OPG-CH24880

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Cooling Bypass Caps, Rubber, Black, 3/4 in., Female, Push-On, Pair

Part Number: RNB-02254

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Today

Coolant Cap, 3/4 in., Silicone, Black, Female, Push-On, Each

Part Number: BPU-SICAP19S

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Fittings, Cooling Bypass Caps, Rubber, Black, 3/4 in. Female Push-on, Set of 5

Part Number: RNB-493-101

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Coolant Cap, 3/4 in., Silicone, Blue, Female, Push-On, Each

Part Number: BPU-SICAP19B

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

• Drop Ship
• Special Order