DORMAN
Dorman 600-490 DIFF ACT UPGRADE KIT
Dorman 600-490 DIFF ACT UPGRADE KIT
SKU:D18600490
Low stock
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- Genuine brand-name parts
- Ships from US warehouse
- 30-day returns
- Upgraded repair - this 4WD differential actuator upgrade kit is designed to update a thermally activated differential to a more efficient electric differential on specified Chevrolet and GMC trucks
- Complete solution - this kit includes a 4WD electric actuator and 4WD actuator harness, the key components required to update a 4WD differential
- Updated technology - effective replacement for an old technology original equipment thermal differential actuator that is sluggish or has failed, disabling the 4WD system
- Trustworthy quality - backed by a team of product experts in the United States and more than a century of automotive experience
- Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
| Brand | DORMAN |
|---|---|
| Manufacturer part number | 600-490 |
| UPC / GTIN | 19495548270 |
| Weight | 1.41 lb |
| Dimensions (L × W × H) | 9.8 × 3 × 10 in |
| Category | Engine & Drivetrain |
| Condition | New — genuine brand-name part |
Shipping & delivery
Shipping & delivery
Orders ship from the distributor warehouse closest to you, normally within 1–3 business days of purchase. Standard ground delivery takes 3–7 business days in the continental US; expedited options are shown at checkout. Oversized items (bumpers, running boards, large tonneau covers, some marine equipment) ship LTL freight — we contact you to schedule delivery and a signature is required.
Returns & warranty
Returns & warranty
Unused, uninstalled parts in original packaging can be returned within 30 days of delivery. A restocking fee of up to 20% may apply depending on the product and supplier, and return shipping is the buyer’s responsibility unless the item arrived defective, damaged or incorrect. Every product carries the full manufacturer warranty. Contact us with your order number to start a return.
Fitment & part numbers
Fitment & part numbers
Verify fitment with the manufacturer part number shown above and your vehicle’s year, make, model and trim. If the listing says “Fits select…”, confirm your exact application before ordering. Not sure? Send us your VIN and the part number and we’ll check it for you.
