Dodge R300 Parts & Accessories

Dodge R300 Parts & Accessories

The Dodge R300 is a designation within Dodge's medium-duty commercial truck lineup from the late 1950s and 1960s, built on the same robust C-series chassis as the R400 and sharing the LA-series and RB-series V8 engine architecture common to Dodge's truck line of that era. These trucks were workhorses used in delivery, utility, and light commercial applications, and they share significant drivetrain and chassis components with Dodge's W-series and D-series pickups from the same period. Mechanical parts availability is solid through Mopar commercial and classic truck restoration channels.

Popular Upgrades

Common Dodge R300 parts requests cover carburetor rebuild kits and replacement units for the Carter two-barrel and four-barrel setups, ignition tune-up kits including points, condensers, spark plugs, and distributor caps, and exhaust manifold gaskets with replacement cast manifolds. Brake system hardware covering wheel cylinders, brake shoes, and master cylinder rebuild kits are high-priority items for any R300 restoration. Suspension components including leaf spring hardware, shackle kits, and front end rebuild components round out the most common orders for chassis work.

Performance & Handling

The 318 and 361 LA V8 engines available in R300 applications are proven performers that respond well to exhaust header upgrades and carburetor improvements. Electronic ignition conversion kits for pre-Chrysler-electronic distributor systems are a straightforward upgrade that improves cold-start performance and eliminates points maintenance. The 361 in particular is an underrated engine that pairs well with a dual-plane aluminum intake and a 600 CFM Carter AFB replacement carburetor.

What chassis does the Dodge R300 share with other Dodge trucks?

The Dodge R300 shares frame architecture, front axle components, and many drivetrain parts with the D-series and W-series pickups from the same production era. This overlap makes parts sourcing considerably easier, as D-series components are more widely available and frequently cross-reference directly. Confirm by year and engine code before ordering, as axle ratings and spring packages differ between applications.

Are exhaust headers available for the Dodge R300 engines?

Aftermarket tube headers for the 318 and 361 LA V8 engines are available from suppliers including Hooker Headers and TTi, and many D-series pickup header sets fit R300 applications with minor modification. Shorty headers are the easier installation on cab-over and medium-duty truck applications with limited engine bay clearance. Confirm the specific chassis and cab configuration before ordering to ensure collector and downpipe clearance.

Browse related categories including Mopar parts and accessories, exhaust systems and headers, and suspension components for more parts across your build.