⚡ Electrify your 4WD — don’t let old tech slow your adventure!
The Dorman 600-490 4WD Actuator is a direct replacement upgrade kit designed to convert older thermal differential actuators in select 1988-1996 Chevrolet and GMC trucks to a faster, more reliable electric system. This kit includes the electric actuator and harness, engineered for precise fit and enhanced 4WD performance, backed by Dorman’s extensive automotive expertise.
| Manufacturer | Dorman Products |
| Brand | Dorman |
| Product Dimensions | 24.99 x 7.49 x 25.4 cm; 639.57 g |
| Item model number | 600-490 |
| Exterior | Ready To Paint If Needed |
| Manufacturer Part Number | 600-490 |
| OEM Part Number | 26013495; 26060073; 88959465 |
| Assembly Required | No |
| Manufacturer | Dorman Products |
| Item Weight | 640 g |
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