ECCPP AC Clutch for Dodge Ram 1500/2500/3500/4000 5.7L — 130mm 7-Groove Pulley, Direct-Fit

ECCPP AC Clutch for 2003–2008 Dodge Ram 1500/2500/3500/4000 5.7L is a direct-fit replacement electromagnetic clutch assembly built for the 10S17E compressor with a 130mm, 7-groove pulley.

This heavy-duty ECCPP clutch kit restores air conditioning engagement and keeps the compressor running smoothly in Dodge Ram trucks with the 5.7L engine from 2003 through 2008. Designed for the 10S17E compressor family, the assembly includes a pulley with bearing, front plate, and electromagnetic coil; all units are nitrogen pressure-tested to check for leaks before shipment. The clutch is engineered from robust aluminum alloy and premium bearings for reliable, long-lasting operation under typical highway and off-road conditions.

Will this clutch fit my Dodge Ram and which compressor is it for?

Yes — this ECCPP clutch is made to replace clutches on Dodge Ram 1500, 2500, 3500 (2003–2008) and Ram 4000 (2005–2008) models that use the 10S17E compressor. Confirm fit by matching the pulley diameter and groove count on your current unit.

• Compatible models: Ram 1500/2500/3500 (2003–2008), Ram 4000 (2005–2008).
• Compressor type: 10S17E.
• Pulley specs: 130 mm diameter, 7 grooves.
• Cross-reference part numbers included for verification.

How durable and quiet is the ECCPP AC clutch during normal use?

The clutch is manufactured from corrosion-resistant aluminum alloy and fitted with high-quality bearings to withstand road vibration, temperature swings, and frequent cycling. Its low-vibration design reduces operating noise, staying under typical in-cab sound levels for quiet driving.

• Heavy-duty aluminum alloy outer construction for strength and longevity.
• Premium bearings reduce wear and maintain alignment.
• Operational noise kept below 72 decibels under standard conditions.
• Engineered to tolerate a range of temperatures and driving environments.

What exactly comes in the box and how is the product tested?

The package contains the electromagnetic clutch assembly only: one pulley with bearing, one front plate, and one electromagnetic coil. ECCPP pressure-tests each clutch with nitrogen to detect leaks and verify sealing before shipping.

• Included items: clutch assembly, pulley with bearing, front plate, electromagnetic coil.
• All units pressure-tested with nitrogen for leak detection.
• Sold as the clutch assembly only; compressor body and other accessories are not included.
• Check torque and installation steps against factory service information.

Which part numbers can I cross-reference to confirm compatibility?

ECCPP provides a wide array of equivalent part numbers to help match your original equipment. Use these references when comparing to the part stamped on your current clutch or when ordering from parts vendors.

• Common cross-reference numbers include: 77398, 78398, 1522054, 55056336AA/AB/AC/AD and RL056336AC.
• Also listed: 638848, 3303922, CS20105 and OEM-style codes like 4472204820–4472204824.
• Always verify against your vehicle’s VIN or the compressor tag for exact matches.

Who is this for? This ECCPP AC clutch is ideal for owners and technicians working on 2003–2008 Dodge Ram trucks with the 5.7L engine who need a dependable, direct-fit clutch assembly for the 10S17E compressor. It suits DIY mechanics replacing a worn or noisy clutch, fleet maintenance teams needing a robust spare part, and professional shops restoring proper AC engagement. Before purchase, verify compressor type, pulley diameter, and groove count to ensure compatibility with your vehicle.