1/2 In. x 14 Thread x 1.15 In.
3/8 In. NPT to 20 mm x 1.0 Thread Adapter
3/8 In. x 18 Thread to 3/4 In. x 16 Thread Union
1/2 In. x 14 Thread x 1.63 In. Length at Case
Browse our selection of quality engine oil cooler line connector parts designed specifically for your GMC R1500. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
Base · High Sierra · Sierra Classic
Standard Cab Pickup
V6 4.3L · V8 5.0L · V8 5.7L · V8 6.2L
Automatic · Manual