2026 Ram 4500 Automatic Transmission Parts

Engine:

Showing parts for every engine. Select an engine to see only what fits.

18 Automatic transmission parts are listed for the 2026 Ram 4500, in 6 part types, covering both the 6.4L V8 and the 6.7L L6 DIESEL Turbocharged. Each one has a brand, a manufacturer part number and notes that say where it fits.

The automatic transmission on the 2026 Ram 4500 covers the automatic gearbox and its supporting cast — filters, coolers, solenoids, mounts and torque-converter parts. The largest groups are Transmission Mount Isolator (6 parts), Valve Body (4 parts) and Fluid Cooler Line / Hose (3 parts). The other 3 part types cover the remaining 5 parts.

Fluid Cooler

Brand Part Number Markets Notes Buy
MOPAR Fits: 6.4L V8 68322494AC
🇺🇸 US 🇨🇦 CA
Fits HEMI HD EngineCrew Cab Crew Cab
Fitment notes — MOPAR 68322494AC
Fits:
HEMI HD EngineCrew Cab Crew Cab197.4" Wheelbase8-SPD ZF Powerline Auto Trans
or:
HEMI HD EngineCrew Cab Wheelbase 48-SPD ZF Powerline Auto Trans
or:
HEMI HD EngineRegular Cab Chassis Wheelbase 18-SPD ZF Powerline Auto Trans
or:
HEMI HD EngineRegular Cab Chassis Wheelbase 28-SPD ZF Powerline Auto Trans
or:
HEMI HD EngineRegular Cab Chassis Wheelbase 38-SPD ZF Powerline Auto Trans
or:
HEMI HD EngineRegular Cab Chassis Wheelbase 48-SPD ZF Powerline Auto Trans
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MOPAR Fits: 6.7L L6 DIESEL Turbocharged 68322497AD
🇺🇸 US 🇨🇦 CA
Fits Cummins Engine.Crew Cab Wheelbase 4
Fitment notes — MOPAR 68322497AD
Fits:
Cummins Engine.Crew Cab Wheelbase 48-Speed ZF Powerline Automatic Transmission
or:
Cummins Engine.Crew Cab197.4" Wheelbase8-Speed ZF Powerline Automatic Transmission
or:
Cummins Engine.Regular Cab Chassis Wheelbase 18-Speed ZF Powerline Automatic Transmission
or:
Cummins Engine.Regular Cab Chassis Wheelbase 28-Speed ZF Powerline Automatic Transmission
or:
Cummins Engine.Regular Cab Chassis Wheelbase 38-Speed ZF Powerline Automatic Transmission
or:
Cummins Engine.Regular Cab Chassis Wheelbase 48-Speed ZF Powerline Automatic Transmission
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This table covers the heat exchangers that cool transmission fluid. Typical signs include fluid that overheats, a leak at the cooler fittings, or milky fluid that says coolant and ATF have mixed. Flush the lines when you replace a cooler. Cross-contamination is how a small leak becomes a transmission job.

Fluid Cooler Line / Hose

Brand Part Number Markets Notes Buy
MOPAR Fits: 6.4L V8 68591791AA
🇺🇸 US 🇨🇦 CA
Fits HEMI HD EnginePressure & Return Hose
Fitment notes — MOPAR 68591791AA
Fits:
HEMI HD EnginePressure & Return HoseCrew Cab Crew Cab197.4" Wheelbase8-SPD ZF Powerline Auto Trans
or:
HEMI HD EnginePressure & Return HoseCrew Cab Wheelbase 48-SPD ZF Powerline Auto Trans
or:
HEMI HD EnginePressure & Return HoseRegular Cab Chassis Wheelbase 18-SPD ZF Powerline Auto Trans
or:
HEMI HD EnginePressure & Return HoseRegular Cab Chassis Wheelbase 28-SPD ZF Powerline Auto Trans
or:
HEMI HD EnginePressure & Return HoseRegular Cab Chassis Wheelbase 38-SPD ZF Powerline Auto Trans
or:
HEMI HD EnginePressure & Return HoseRegular Cab Chassis Wheelbase 48-SPD ZF Powerline Auto Trans
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MOPAR Fits: 6.7L L6 DIESEL Turbocharged 68591748AA
🇺🇸 US 🇨🇦 CA
Fits Cummins Engine.Pressure & Return Hose
Fitment notes — MOPAR 68591748AA
Fits:
Cummins Engine.Pressure & Return HoseCrew Cab Wheelbase 4or Cummins Engine.Pressure & Return HoseCrew Cab197.4" Wheelbas
or:
Cummins Engine.Pressure & Return HoseRegular Cab Chassis Wheelbase 1or Cummins Engine.Pressure & Return HoseRegular Cab Chassis Wheelbase 2or Cummins Engine.Pressure & Return HoseRegular Cab Chassis Wheelbase 3or Cummins Engine.Pressure & Return HoseRegular Cab Chassis Wheelbase 4
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MOPAR Fits: 6.7L L6 DIESEL Turbocharged 68591751AA
🇺🇸 US 🇨🇦 CA
Fits Cummins Engine.Pressure & Return Hose
Fitment notes — MOPAR 68591751AA
Fits:
Cummins Engine.Pressure & Return HoseCrew Cab Wheelbase 48-Speed ZF Powerline Automatic Transmission
or:
Cummins Engine.Pressure & Return HoseCrew Cab197.4" Wheelbase8-Speed ZF Powerline Automatic Transmission
or:
Cummins Engine.Pressure & Return HoseRegular Cab Chassis Wheelbase 18-Speed ZF Powerline Automatic Transmission
or:
Cummins Engine.Pressure & Return HoseRegular Cab Chassis Wheelbase 28-Speed ZF Powerline Automatic Transmission
or:
Cummins Engine.Pressure & Return HoseRegular Cab Chassis Wheelbase 38-Speed ZF Powerline Automatic Transmission
or:
Cummins Engine.Pressure & Return HoseRegular Cab Chassis Wheelbase 48-Speed ZF Powerline Automatic Transmission
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This table covers the Fluid Cooler Line hoses. Typical signs include swelling, cracks, a soft spot, or a leak at a clamp. Replace adjacent aged hoses while the system is drained — they share the same heat cycle.

Fluid Pan

Brand Part Number Markets Notes Buy
MOPAR Fits: all 2026 4500 engines 68720332AA
🇺🇸 US 🇨🇦 CA
Includes Filter
Fitment notes — MOPAR 68720332AA
Includes Filter
Fits:
HEMI HD EngineCrew Cab Crew Cab197.4" Wheelbase8-SPD ZF Powerline Auto Trans
or:
HEMI HD EngineCrew Cab Wheelbase 48-SPD ZF Powerline Auto Trans
or:
HEMI HD EngineRegular Cab Chassis Wheelbase 18-SPD ZF Powerline Auto Trans
or:
HEMI HD EngineRegular Cab Chassis Wheelbase 28-SPD ZF Powerline Auto Trans
or:
HEMI HD EngineRegular Cab Chassis Wheelbase 38-SPD ZF Powerline Auto Trans
or:
HEMI HD EngineRegular Cab Chassis Wheelbase 48-SPD ZF Powerline Auto Trans
Fits:
Cummins Engine.Regular Cab Chassis Wheelbase 38-Speed ZF Powerline Automatic Transmission
or:
Cummins Engine.Regular Cab Chassis Wheelbase 48-Speed ZF Powerline Automatic Transmission
or:
Cummins Engine.Crew Cab Wheelbase 48-SPD ZF Powerline Automatic Trans
or:
Cummins Engine.Crew Cab197.4" Wheelbase8-SPD ZF Powerline Automatic Trans
or:
Cummins Engine.Regular Cab Chassis Wheelbase 18-SPD ZF Powerline Automatic Trans
or:
Cummins Engine.Regular Cab Chassis Wheelbase 28-SPD ZF Powerline Automatic Trans
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This table covers the pans that hold automatic-transmission fluid.

Torque Converter

Brand Part Number Markets Notes Buy
MOPAR Fits: 6.4L V8 68724781AA
🇺🇸 US 🇨🇦 CA
Fits HEMI HD EngineCrew Cab Crew Cab
Fitment notes — MOPAR 68724781AA
Fits:
HEMI HD EngineCrew Cab Crew Cab197.4" Wheelbase8-SPD ZF Powerline Auto Trans
or:
HEMI HD EngineCrew Cab Wheelbase 48-SPD ZF Powerline Auto Trans
or:
HEMI HD EngineRegular Cab Chassis Wheelbase 18-SPD ZF Powerline Auto Trans
or:
HEMI HD EngineRegular Cab Chassis Wheelbase 28-SPD ZF Powerline Auto Trans
or:
HEMI HD EngineRegular Cab Chassis Wheelbase 38-SPD ZF Powerline Auto Trans
or:
HEMI HD EngineRegular Cab Chassis Wheelbase 48-SPD ZF Powerline Auto Trans
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MOPAR Fits: 6.7L L6 DIESEL Turbocharged 68724780AA
🇺🇸 US 🇨🇦 CA
Fits Cummins Engine.Crew Cab Wheelbase 4
Fitment notes — MOPAR 68724780AA
Fits:
Cummins Engine.Crew Cab Wheelbase 48-Speed ZF Powerline Automatic Transmission
or:
Cummins Engine.Crew Cab197.4" Wheelbase8-Speed ZF Powerline Automatic Transmission
or:
Cummins Engine.Regular Cab Chassis Wheelbase 18-Speed ZF Powerline Automatic Transmission
or:
Cummins Engine.Regular Cab Chassis Wheelbase 28-Speed ZF Powerline Automatic Transmission
or:
Cummins Engine.Regular Cab Chassis Wheelbase 38-Speed ZF Powerline Automatic Transmission
or:
Cummins Engine.Regular Cab Chassis Wheelbase 48-Speed ZF Powerline Automatic Transmission
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This table covers the Torque converters. Typical signs include a sulfur smell, rattling substrate, or an efficiency code. Confirm CARB vs Federal certification in the notes before ordering.

Transmission Mount Isolator

Brand Part Number Markets Notes Buy
MOPAR Fits: all 2026 4500 engines 68642810AA
🇺🇸 US 🇨🇦 CA
Fits Crew Cab Wheelbase 48-Speed ZF Powerline Automatic Transmission
Fitment notes — MOPAR 68642810AA
Fits:
Crew Cab Wheelbase 48-Speed ZF Powerline Automatic Transmission
or:
Crew Cab197.4" Wheelbase8-Speed ZF Powerline Automatic Transmission
or:
Regular Cab Chassis Wheelbase 18-Speed ZF Powerline Automatic Transmission
or:
Regular Cab Chassis Wheelbase 28-Speed ZF Powerline Automatic Transmission
or:
Regular Cab Chassis Wheelbase 38-Speed ZF Powerline Automatic Transmission
or:
Regular Cab Chassis Wheelbase 48-Speed ZF Powerline Automatic Transmission
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MOPAR Fits: all 2026 4500 engines 68643811AA
🇺🇸 US 🇨🇦 CA
Fits Crew Cab Wheelbase 48-Speed ZF Powerline Automatic Transmission
Fitment notes — MOPAR 68643811AA
Fits:
Crew Cab Wheelbase 48-Speed ZF Powerline Automatic Transmission
or:
Crew Cab197.4" Wheelbase8-Speed ZF Powerline Automatic Transmission
or:
Regular Cab Chassis Wheelbase 18-Speed ZF Powerline Automatic Transmission
or:
Regular Cab Chassis Wheelbase 28-Speed ZF Powerline Automatic Transmission
or:
Regular Cab Chassis Wheelbase 38-Speed ZF Powerline Automatic Transmission
or:
Regular Cab Chassis Wheelbase 48-Speed ZF Powerline Automatic Transmission
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MOPAR Fits: 6.4L V8 68643812AA
🇺🇸 US 🇨🇦 CA
Fits HEMI HD EngineCrew Cab Crew Cab
Fitment notes — MOPAR 68643812AA
Fits:
HEMI HD EngineCrew Cab Crew Cab197.4" Wheelbase8-SPD ZF Powerline Auto Trans
or:
HEMI HD EngineCrew Cab Wheelbase 48-SPD ZF Powerline Auto Trans
or:
HEMI HD EngineRegular Cab Chassis Wheelbase 18-SPD ZF Powerline Auto Trans
or:
HEMI HD EngineRegular Cab Chassis Wheelbase 28-SPD ZF Powerline Auto Trans
or:
HEMI HD EngineRegular Cab Chassis Wheelbase 38-SPD ZF Powerline Auto Trans
or:
HEMI HD EngineRegular Cab Chassis Wheelbase 48-SPD ZF Powerline Auto Trans
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MOPAR Fits: 6.4L V8 68643813AA
🇺🇸 US 🇨🇦 CA
Fits HEMI HD EngineCrew Cab Crew Cab
Fitment notes — MOPAR 68643813AA
Fits:
HEMI HD EngineCrew Cab Crew Cab197.4" Wheelbase8-SPD ZF Powerline Auto Trans
or:
HEMI HD EngineCrew Cab Wheelbase 48-SPD ZF Powerline Auto Trans
or:
HEMI HD EngineRegular Cab Chassis Wheelbase 18-SPD ZF Powerline Auto Trans
or:
HEMI HD EngineRegular Cab Chassis Wheelbase 28-SPD ZF Powerline Auto Trans
or:
HEMI HD EngineRegular Cab Chassis Wheelbase 38-SPD ZF Powerline Auto Trans
or:
HEMI HD EngineRegular Cab Chassis Wheelbase 48-SPD ZF Powerline Auto Trans
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MOPAR Fits: all 2026 4500 engines 68645821AA
🇺🇸 US 🇨🇦 CA
Fits Crew Cab Wheelbase 48-Speed ZF Powerline Automatic Transmission
Fitment notes — MOPAR 68645821AA
Fits:
Crew Cab Wheelbase 48-Speed ZF Powerline Automatic Transmission
or:
Crew Cab197.4" Wheelbase8-Speed ZF Powerline Automatic Transmission
or:
Regular Cab Chassis Wheelbase 18-Speed ZF Powerline Automatic Transmission
or:
Regular Cab Chassis Wheelbase 28-Speed ZF Powerline Automatic Transmission
or:
Regular Cab Chassis Wheelbase 38-Speed ZF Powerline Automatic Transmission
or:
Regular Cab Chassis Wheelbase 48-Speed ZF Powerline Automatic Transmission
or:
HEMI HD EngineCrew Cab Crew Cab197.4" Wheelbase8-SPD ZF Powerline Auto Trans
or:
HEMI HD EngineCrew Cab Wheelbase 48-SPD ZF Powerline Auto Trans
or:
HEMI HD EngineRegular Cab Chassis Wheelbase 18-SPD ZF Powerline Auto Trans
or:
HEMI HD EngineRegular Cab Chassis Wheelbase 28-SPD ZF Powerline Auto Trans
or:
HEMI HD EngineRegular Cab Chassis Wheelbase 38-SPD ZF Powerline Auto Trans
or:
HEMI HD EngineRegular Cab Chassis Wheelbase 48-SPD ZF Powerline Auto Trans
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MOPAR Fits: 6.7L L6 DIESEL Turbocharged 68645822AA
🇺🇸 US 🇨🇦 CA
Fits Crew Cab Wheelbase 48-Speed ZF Powerline Automatic Transmission
Fitment notes — MOPAR 68645822AA
Fits:
Crew Cab Wheelbase 48-Speed ZF Powerline Automatic Transmission
or:
Crew Cab197.4" Wheelbase8-Speed ZF Powerline Automatic Transmission
or:
Regular Cab Chassis Wheelbase 18-Speed ZF Powerline Automatic Transmission
or:
Regular Cab Chassis Wheelbase 28-Speed ZF Powerline Automatic Transmission
or:
Regular Cab Chassis Wheelbase 38-Speed ZF Powerline Automatic Transmission
or:
Regular Cab Chassis Wheelbase 48-Speed ZF Powerline Automatic Transmission
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This table covers the isolators in a transmission mount.

Valve Body

Brand Part Number Markets Notes Buy
MOPAR Fits: 6.4L V8 68757857AA
🇺🇸 US 🇨🇦 CA
Fits HEMI HD EngineCrew Cab Crew Cab
Fitment notes — MOPAR 68757857AA
Fits:
HEMI HD EngineCrew Cab Crew Cab197.4" Wheelbase8-SPD ZF Powerline Auto Trans
or:
HEMI HD EngineCrew Cab Wheelbase 48-SPD ZF Powerline Auto Trans
or:
HEMI HD EngineRegular Cab Chassis Wheelbase 18-SPD ZF Powerline Auto Trans
or:
HEMI HD EngineRegular Cab Chassis Wheelbase 28-SPD ZF Powerline Auto Trans
or:
HEMI HD EngineRegular Cab Chassis Wheelbase 38-SPD ZF Powerline Auto Trans
or:
HEMI HD EngineRegular Cab Chassis Wheelbase 48-SPD ZF Powerline Auto Trans
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MOPAR Fits: 6.4L V8 68757858AA
🇺🇸 US 🇨🇦 CA
Fits HEMI HD EngineCrew Cab Crew Cab
Fitment notes — MOPAR 68757858AA
Fits:
HEMI HD EngineCrew Cab Crew Cab197.4" Wheelbase8-SPD ZF Powerline Auto Trans
or:
HEMI HD EngineCrew Cab Wheelbase 48-SPD ZF Powerline Auto Trans
or:
HEMI HD EngineRegular Cab Chassis Wheelbase 18-SPD ZF Powerline Auto Trans
or:
HEMI HD EngineRegular Cab Chassis Wheelbase 28-SPD ZF Powerline Auto Trans
or:
HEMI HD EngineRegular Cab Chassis Wheelbase 38-SPD ZF Powerline Auto Trans
or:
HEMI HD EngineRegular Cab Chassis Wheelbase 48-SPD ZF Powerline Auto Trans
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MOPAR Fits: 6.7L L6 DIESEL Turbocharged 68757855AA
🇺🇸 US 🇨🇦 CA
Fits Cummins Engine.Crew Cab Wheelbase 4
Fitment notes — MOPAR 68757855AA
Fits:
Cummins Engine.Crew Cab Wheelbase 48-Speed ZF Powerline Automatic Transmission
or:
Cummins Engine.Crew Cab197.4" Wheelbase8-Speed ZF Powerline Automatic Transmission
or:
Cummins Engine.Regular Cab Chassis Wheelbase 18-Speed ZF Powerline Automatic Transmission
or:
Cummins Engine.Regular Cab Chassis Wheelbase 28-Speed ZF Powerline Automatic Transmission
or:
Cummins Engine.Regular Cab Chassis Wheelbase 38-Speed ZF Powerline Automatic Transmission
or:
Cummins Engine.Regular Cab Chassis Wheelbase 48-Speed ZF Powerline Automatic Transmission
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MOPAR Fits: 6.7L L6 DIESEL Turbocharged 68757856AA
🇺🇸 US 🇨🇦 CA
Fits Cummins Engine.Crew Cab Wheelbase 4
Fitment notes — MOPAR 68757856AA
Fits:
Cummins Engine.Crew Cab Wheelbase 48-Speed ZF Powerline Automatic Transmission
or:
Cummins Engine.Crew Cab197.4" Wheelbase8-Speed ZF Powerline Automatic Transmission
or:
Cummins Engine.Regular Cab Chassis Wheelbase 18-Speed ZF Powerline Automatic Transmission
or:
Cummins Engine.Regular Cab Chassis Wheelbase 28-Speed ZF Powerline Automatic Transmission
or:
Cummins Engine.Regular Cab Chassis Wheelbase 38-Speed ZF Powerline Automatic Transmission
or:
Cummins Engine.Regular Cab Chassis Wheelbase 48-Speed ZF Powerline Automatic Transmission
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This table covers the valve bodies that route hydraulic pressure inside the transmission.

Buying Automatic Transmission Parts for a 2026 Ram 4500

On this vehicle, the automatic transmission covers the automatic gearbox and its supporting cast — filters, coolers, solenoids, mounts and torque-converter parts.

  • Match the engine first. Some automatic transmission parts fit every engine; others are engine-specific. Each row shows which engine(s) it fits.
  • Read the notes on each row for position, trim and spec qualifiers before you order.
  • Where labor overlaps, replace the filter and pan gasket with every fluid service, and flush the cooler lines when replacing a failed unit.
  • Cross-reference the manufacturer part number against your old part or a service-manual listing.

Start with the largest groups on this page: Transmission Mount Isolator and Valve Body .

Frequently Asked Questions

How many automatic transmission parts fit the 2026 Ram 4500?

Our catalog currently lists 18 automatic transmission parts for the 2026 Ram 4500 across 6 subcategories and 1 brand, covering both the 6.4L V8 and the 6.7L L6 DIESEL Turbocharged. Each part is matched to the engine(s) it fits.

Do automatic transmission parts differ between 2026 Ram 4500 engines?

Some do. 4 parts fit every engine; the other 14 are engine-specific. Each row (and the filter at the top) shows which. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.

What are the signs of automatic transmission problems on a 2026 Ram 4500?

Common symptoms include delayed or harsh engagement, slipping under load, fluid that smells burnt, or shuddering at light throttle around 40 mph. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.

What should I replace at the same time?

Where labor overlaps, replace the filter and pan gasket with every fluid service, and flush the cooler lines when replacing a failed unit.

What do the market flags (US, CA, MX) on each part mean?

They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2026 Ram 4500 was originally sold in the US, the safest choice is a part marked for the US market.

How do I make sure a part fits my 2026 Ram 4500?

First match the engine — each row shows which engine(s) the part fits. Then use exactly the fluid specification in the notes — automatic transmissions are the least forgiving component on the vehicle about fluid choice. The notes column carries position and trim qualifiers where they apply.

Other Parts for the 2026 Ram 4500

Automatic Transmission Parts for Other Ram 4500 Years

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