Dorman
Dorman 674-390 Passenger Side Exhaust Manifold Kit - Includes Required Gaskets and Hardware Compatible with Select Chevrolet / GMC Models
Dorman 674-390 Passenger Side Exhaust Manifold Kit - Includes Required Gaskets and Hardware Compatible with Select Chevrolet / GMC Models
SKU:D18674390
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- Genuine brand-name parts
- Ships from US warehouse
- 30-day returns
The Dorman 674-390 is a passenger side exhaust manifold kit for 1996–2000 Chevrolet 2500 R. It is a new, genuine Dorman part with the manufacturer warranty, shipped from the closest US warehouse.
Fits: 1996–2000 Chevrolet 2500 R
Key features
- Ideal replacement - this exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the stock manifold on specified vehicles
- Reliable construction - durable materials resist warping, cracking and leaking for long-lasting performance
- Complete repair - includes all necessary gaskets and downpipe hardware
- Trustworthy design - built by industry leader in aftermarket manifolds
- Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
Specifications
| Brand | Dorman |
|---|---|
| Manufacturer part number | 674-390 |
| Part type | Muffler |
| UPC / GTIN | 19495058748 |
| Vehicle fitment | 1996–2000 Chevrolet 2500 R |
| Weight | 18.67 lb |
| Dimensions (L × W × H) | 23.9 × 9.6 × 6.6 in |
| Category | Engine & Drivetrain |
| Condition | New — genuine brand-name part |
| Warranty | Manufacturer warranty |
| Also searched as | 674 390, 674390 |
Questions
Will this fit my vehicle?
It is listed for 1996–2000 Chevrolet 2500 R. Trim, engine and options can change the part a vehicle needs — send us your VIN and we will confirm before you order.
How fast does it ship?
Orders ship from the closest US warehouse, normally within 1–3 business days, with tracking by e-mail.
Is this a genuine Dorman part?
Yes — new and genuine Dorman, with the manufacturer warranty.
Can I return it?
Yes. Unused items can be returned within 30 days — see our refund policy for the details.
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.
