

🔧 Tune your headlights like a pro—never miss the road ahead!
The Dorman 42188 Headlight Adjusting Screw is a precision-machined, OEM-compatible component designed to perfectly align LED headlamps. Lightweight and durable, it supports 28V, 50W bulbs and fits multiple OEM part numbers, ensuring seamless replacement. Backed by Dorman’s century-long expertise, it’s the go-to choice for professional-grade headlight adjustment.

| Manufacturer | Dorman Products | 
| Brand | Dorman | 
| Model | Dorman 42188: Sealed Beam Adjusters | 
| Item Weight | 0.8 ounces | 
| Product Dimensions | 5.5 x 1.8 x 1.5 inches | 
| Item model number | 42188 | 
| Exterior | Machined | 
| Manufacturer Part Number | 42188 | 
| OEM Part Number | 3868985, 4334139, 4334140, 4334140, 4334142 | 
| Position | Rear | 
| Bulb Type | LED | 
| Special Features | Dishwasher Safe | 
| Voltage | 28 Volts | 
| Wattage | 50 watts | 
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