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Dodge M300 Headers

We have 4 Items In-stock.
$300.69 List Price $354.81 Save $54.12 Availability: In Stock
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DORMAN – OE REPLACEMENT EXHAUST MANIFOLDS

Swap out your warped exhaust manifold with this OE replacement exhaust manifold from Dorman. Its heavy-duty design is resistant to leaks and corrosion, and its secure fit ensures all gases are safely routed through your exhaust system. Since 1918, Dorman Products has supplied the automotive aftermarket with high-quality replacement parts, hardware and fasteners.

  • Anti-leak protection
  • Manufactured with cast iron or stainless tubular steel
  • Comes with gaskets and hardware needed for assembly (check application)
  • SKU#: RB674176
  • Brand: Dorman
  • Fit Note: Without Heat Tube
  • Product Fit: Direct Fit
  • Quantity Sold: Kit
  • Anticipated Ship Out Time: Same day - 1 business day
  • Aspiration Type: Naturally aspirated
  • Includes: Two bolts, two nuts, one manifold gasket, and flange gasket
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Fits the following Dodge M300 Years:
  • 1974 | 8 Cyl 7.2L | Base
$51.05 List Price $77.62 Save $26.57 Availability: In Stock
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EXTENSION PIPE -- Stock Replacement, Original Equipment Quality, Sold Individually
  • SKU#: WK47555
  • Brand: Walker
  • Quantity Sold: Sold Individually
  • Anticipated Ship Out Time: Same day - 1 business day
 
Fits the following Dodge M300 Years:
  • 1974 | 8 Cyl 7.2L | Base
$20.19 List Price $23.82 Save $3.63 Availability: In Stock
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FELPRO EXHAUST MANIFOLD GASKET SET -- A high quality, direct fit OE replacement exhaust manifold gasket set; Use with installation aid red3, blu4, and yel5.
  • SKU#: FPMS90029
  • Brand: Felpro
  • Fit Note: Truck, Without Heat Shield
 
Fits the following Dodge M300 Years:
  • 1974 | 8 Cyl 7.2L | Base
$29.33 List Price $34.61 Save $5.28 Availability: In Stock
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MR GASKET ULTRA-SEAL EXHAUST MANIFOLD GASKET SET -- 1.78 in. x 1.48 in. port dimensions; Features five-layer composition construction which is consist of graphite core and perforated steel; Its graphite core has excellent thermo-conductivity; Transfers heat away from hot spots in head to coolant passages, preventing gasket from burning out; Provides excellent stability, compressibility, and high temperature endurance; Will not creep, cold-flow, or brinell aluminum cylinder heads; For OE replacement, high performance street, drag race, and oval track; With Mr. Gasket's limited 90-day warranty.
  • SKU#: G125936
  • Brand: Mr Gasket
  • Quantity Sold: Set
  • Anticipated Ship Out Time: 1-2 Business Days
 
Fits the following Dodge M300 Years:
  • 1974 | 8 Cyl 7.2L | Base
Select more Dodge M300 parts under Headers, Manifolds & Components from list below.