This GM headlight adjusting screw and nut assembly is designed for headlamp mounting systems that use an adjustable fastener to position and aim the headlight. It provides a replacement for worn, damaged, or missing adjustment hardware encountered during headlight repair, restoration, replacement, or aiming service.
The assembly features a 1/4"-28 adjusting screw with a 1-7/8" length and includes the corresponding adjusting nut. It cross-references GM OEM number 1600375 when the original headlight adjuster matches the specified thread size, length, and assembly design.
OEM Cross Reference
GM: 1600375
| Product Type | Headlight Adjusting Screw & Nut Assembly |
| Application | GM |
| Common Uses | Headlight Adjustment / Headlamp Mounting |
| Construction | Screw & Nut Assembly |
| Screw Size | 1/4"-28 |
| Length | 1-7/8" |
| GM OEM Cross Reference | 1600375 |
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