Dodge D300 Series Transmission Parts

Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.

Product Features:

• PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
• SMOOTH ROTATION – Crowned raceways for even load distribution
• OE-STYLE DESIGN – Engineered to meet OE specifications
• COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
• RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on

Product Features:

• BUILT TO LAST: Advanced heat treatment process for strength
• PREMIUM MATERIALS: Precision manufactured using premium-grade steel for lasting performance and extended bearing life
• RELIABLE PERFORMANCE: Element size and quantity are engineered to meet or exceed the load rating of OE bearings
• COMPREHENSIVE COVERAGE: Industry-leading coverage for domestic and import applications
• RIGOROUS TESTING: Comprehensive testing throughout design and development processes by National engineers for quality you can count on

Value-priced bearing meets all cataloged application requirements.

Product Features:

• Brand may vary by location

Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

Product Features:

• Transmission cooler reinstallation kit
• Contains part numbers 248001, 226201, 240250 and 4 hose clamps
• Provides all hardware for reinstallation of Imperial transmission coolers
• Contains nylon mounting rods, foam pads, locking buttons, hose and fitting
• Made of high grade nylon for easy installation
• Removable buttons for cooler/fan relocation
• Made for both transmission coolers and electric fan installation
• Comes with Quick Connect coupler

Our Hi-Tek deep transmission pans are constructed from A356-T6 aluminum and are cast with thick internal and external fins, adding additional strength and increased cooling properties. The deep pan design increases fluid capacity by 4 quarts over the stock O.E. steel pan. All these features combined help dissipate heat quicker netting lower transmission and fluid temperatures prolonging the life of your transmission, transmission fluid and corresponding components. Other features for this popular pan include a filter, filter extension, gasket and drain port with magnetic drain plug for clean and easy servicing. Also includes a 1/8 inch NPT temperature sensor port for easily adding a temp gauge for monitoring transmission temperatures while daily driving, towing or racing. Includes detailed instructions with all necessary hardware for an easy at home installation. Note: Does not increase fluid capacity for the 48RE transmission.

Product Features:

• Additional Oil Capacity
• More Cooling Ability
• No Dipstick Modification
• Some Include Fluid Pickup Extension
• Built-In Drain Plugs
• Cast Aluminum

AT SOLENOID SEAL

This clutch pilot bushing is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:

• Direct replacement – this clutch pilot bushing matches the fit and function of the factory part on specified years, makes and models
• Ideal solution – this bushing is a reliable replacement for an original part that has failed due to fatigue
• Durable construction – this part is made from quality materials to ensure reliable performance and long service life
• Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.

Product Features:

• PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
• SMOOTH ROTATION – Crowned raceways and rollers for even load distribution
• OE-STYLE DESIGN – Engineered to meet OE specifications
• COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
• RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on

You can forget about the problem of shearing a torque converter bolt after you install these super strong 200,000 PSI gems. They are designed for each specific application and provide the optimum grip. Kits come with hardened parallel ground washers.

Product Features:

• Super Strong, Rated At 200,000 PSI
• Kits Come With Hardened Parallel Ground Washers
• Made In USA
• 5/16″-24 Thread Size
• 0.45″ Underhead Length
• Sold As A Kit

Product Features:

• Design type: spring loaded; multi-lip
• Temperature range: -40 Deg. F to 400 Deg. F / -40 Deg. C to 204 Deg. C
• Excellent high temperature capabilities
• Compatible with wide range of fluids
• Delivers quality and reliable performance for every type of repair

Product Features:

• Design type: spring loaded; multi-lip
• Temperature range: -20 Deg. F to 300 Deg. F / -29 Deg. C to 49 Deg. C
• Resistance to EP lubricants
• Low swell in hydrocarbon fluids
• Delivers quality and reliable performance for every type of repair

National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:

• Premium bearing design matches OEM specifications
• Precision manufactured using premium-grade steel for outstanding durability and performance
• Crowned raceways and rollers to ensure even load distribution for maximum life
• Industry leading coverage
• Professional technicians know they can depend on National

Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

Product Features:

• Imperial mounting kit system
• For installation of transmission coolers and electric fans
• Provides quick, effective installation of Imperial products
• Contains nylon mounting rods, foam pads and locking buttons
• Aftermarket electric fan and cooler mounting rods
• Made with the highest quality materials
• Quality machined for durability
• Removable buttons for relocation
• Aftermarket electric fan and cooler mounting rods
• Made with the highest quality materials
• Quality machined for durability
• Removable buttons for relocation

With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.

Product Features:

• Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.

Recalibrate your automatic transmission for optimum performance! Select the mode that best suits your application Improves transmission life Transmission removal not required APPLICATION: 1966 to 1977 Chrysler, Dodge, Plymouth TF A-727 and A-904 The next step up from the Shift Improver Kit is the Transpak. It has all the features in the Shift Improver Kit plus it provides additional driver manual control (GM TH-400, 350, Ford C-6 and Chrysler Torqueflite only). Most stock automatic transmissions won’t downshift into low gear above 15 mph, and automatically upshift at a predetermined speed no matter what gear you’re in. With the Transpak, you can downshift at any speed, and you can hold the transmission in first gear to any speed that you want! This is an asset when you’ve got a modified engine, and you want additional RPMs, or you’re towing a trailer or driving heavy loads downhill. Stage 1. Heavy Duty For street rods, normal passenger vehicles or other heavy duty use. Firmer shift feel but not harsh. Improves transmission performance and life dramatically without loss of comfort. Normal automatic operation when in Drive. Stage 2. Hi-Performance Street For full performance street use. Essentially the same as Heavy Duty mode except shift is much quicker. Retain full automatic features and standard shift points with selector in Drive.

Product Features:

• Recalibrate Auto. Transmission
• Optimum Performance
• Select Your App. Mode
• Improves Transmission Life
• Trans. Removal Not Required
• Downshift At Any Speed
• Great For Trailer Towing
• For Heavy Loads Driving Downhill

AT OIL PAN GASKET

Product Features:

• CONSISTENT PERFORMANCE: Matched cup and cone components ensure consistent performance
• PREMIUM MATERIALS: Precision manufactured using premium-grade steel for outstanding durability and performance
• SMOOTH ROTATION: Crowned raceways and rollers for even load distribution
• OE-STYLE DESIGN: Engineered to meet OE specifications
• COMPREHENSIVE COVERAGE: Industry-leading coverage for domestic and import applications
• RIGOROUS TESTING: Comprehensive testing throughout design and development processes by National engineers for quality you can count on

AT OIL PUMP GASKET

Value-priced seal meets all cataloged application requirements.

Product Features:

• Brand may vary by location

Product Features:

• ATP Transmission Seals And Gaskets are exact fit, no compromise replacement parts

Value-priced seal meets all cataloged application requirements.

Product Features:

• Brand may vary by location

National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:

• Design type: spring loaded; single-lip
• Temperature range: -20 Deg. F to 300 Deg. F / -29 Deg. C to 49 Deg. C
• Resistance to EP lubricants
• Low swell in hydrocarbon fluids
• Delivers quality and reliable performance for every type of repair

Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

Product Features:

• Transmission line fitting kit
• Dodge, Jeep with hose splicer fittings
• Helps simplify transmission cooler installation
• Allows for auxiliary transmission cooler installation without cutting OE lines
• Crafted from high-quality material that makes it durable and longer-lasting
• A high quality, direct fit OE replacement
• Easily connects the transmission cooler line to the cooler hose
• Coated for extra protection against corrosion
• Crafted from high-quality material that makes it durable and longer-lasting
• A high quality, direct fit OE replacement
• Easily connects the transmission cooler line to the cooler hose
• Coated for extra protection against corrosion

Product Features:

• Brand may vary by location

AT SEL SHAFT SEAL