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Guaranteed to Fit2018 Ram 3500 Change Vehicle

Dorman®
2018 Ram 3500 - Exhaust Manifold, 8 Cyl., 6.4/5.7L Engine

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$119.49
$272.02Save: $152.53(56%)
Manufacturer #674-685
Guaranteed to Fit2018 Ram 3500 Change Vehicle
Qty:
1

Your Vehicle Fit Details

Vehicle Name
Submodel
Engine
Fitment Information
2018 Ram 3500
Laramie Limited
8 Cyl 6.4L
Crew Cab Pickup
2018 Ram 3500
ST
8 Cyl 5.7L
-
2018 Ram 3500
Big Horn
8 Cyl 6.4L
Extended Crew Cab Pickup
2018 Ram 3500
SLT
8 Cyl 5.7L
-
2018 Ram 3500
Laramie
8 Cyl 6.4L
Crew Cab Pickup
2018 Ram 3500
Big Horn
8 Cyl 5.7L
-
2018 Ram 3500
SLT
8 Cyl 6.4L
Standard Cab Pickup
2018 Ram 3500
Tradesman
8 Cyl 5.7L
-
2018 Ram 3500
Laramie Longhorn
8 Cyl 6.4L
Extended Crew Cab Pickup
2018 Ram 3500
Limited
8 Cyl 6.4L
Extended Crew Cab Pickup
2018 Ram 3500
ST
8 Cyl 6.4L
Standard Cab Pickup
2018 Ram 3500
Tradesman
8 Cyl 6.4L
Crew Cab Pickup

Highlights

Brand:
Location:
Passenger Side
Notes:
5 mm Tube Wall Thickness; (2) Flange Bolt Holes; (0) Flange Stud Hole; (10) Manifold Bolt Holes; Irregular Exhaust Manifold Inlet Port Shape; Regular Grade Type; Cast Iron Material; Includes Gasket or Seal, Heat Shield, and Installation Hardware; Without Oxygen Sensor Port
Emissions:
46-State Legal (Cannot ship to CA, CO, NY or ME)
Quantity Sold:
Sold individually
Warranty:
Lifetime Dorman limited warranty
Prop 65 Warning:

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Interchange Part Number:
5045486AA, 663180
Replaces OE Number:
5045486AA, 663180
Series:
OE Solutions Series
Fitnotes:
Crew Cab Pickup,,Extended Crew Cab Pickup,Standard Cab Pickup

Vehicle Fitment Information

Vehicle Name
Submodel
Engine
Fitment Information
2013 Ram 1500
R/T
8 Cyl 5.7L
-
2013 Ram 3500
Big Horn
8 Cyl 5.7L
Crew Cab Pickup
2013 Ram 3500
Laramie
8 Cyl 5.7L
Cab & Chassis
2013 Ram 3500
Laramie Longhorn
8 Cyl 5.7L
Crew Cab Pickup
2013 Ram 3500
Lone Star
8 Cyl 5.7L
Crew Cab Pickup
Page 1 of 16 | Showing 1 - 5 of 77 results

Product Information

DORMAN OE REPLACEMENT EXHAUST MANIFOLD

Swap out your warped exhaust manifold with one of these OE replacement exhaust manifolds from Dorman. Their heavy-duty design is resistant to leaks and corrosion, and their secure fit ensures all gases are safely routed through your exhaust system.

  • Anti-leak protection
  • Manufactured with cast iron or stainless tubular steel
  • Comes with gaskets and hardware needed for assembly (check application)
  • Durable materials resist warping, cracking and leaking for long-lasting performance

Since 1918, Dorman Products has supplied the automotive aftermarket with high-quality replacement parts, hardware and fasteners.

Need help?Call our product expert1-866-529-0412
Chat with us
Mondays - Sundays7am - 11pm ET | 4am - 8pm PT
Warranty Policy
Right parts, guaranteed. If you find any defects, let us know within 60 days and we’ll take care of it. Check out our Warranty Policy for more details.
Shipping Policy
We ship fast so you can get on the road that much faster. Check out our Shipping Policy for more details.
Easy Return Policy
We’re only happy if you’re happy. If you’re not entirely satisfied with your order, you may be entitled to a refund. Check out our Return Policy for more details.

Customer Reviews

Fit perfectly. Delivery was extremely quick.
Todd M.
VERIFIED PURCHASER
Purchased on Oct 03, 2022
Worked out well, priced right, shipped fast, fit right, no issues so far! Would order again.
Marc A.
VERIFIED PURCHASER
Purchased on Jan 17, 2023