Product Description
Refresh your 6.7L Cummins the right way. INDUSTRIAL INJECTION PDM-3732CC is a .040" over, drop-in piston set engineered for 2007.5–2018 Ram trucks. These are stock-style pistons with a protective coating for durability and heat control in work, tow, and daily-driver builds. Kit includes rings, wrist pins, and clips for a clean, professional rebuild.
Fitment
- 2007.5–2012 Ram 2500/3500 — 6.7L Cummins ISB (24-valve)
- 2013–2018 Ram 2500/3500/4500/5500 — 6.7L Cummins ISB (24-valve)
What’s Included
- (6) Pistons — .040" oversize
- Matched rings, wrist pins, and pin clips
Key Features
- Stock-style replacement geometry for OE drivability
- Protective coating to aid heat management and skirt scuff resistance
- Designed for .040" overbore; verify piston-to-wall and ring end gaps
Recommended Parts (CPP internal links only)
- ARP 247-4204 625+ Head Stud Kit (5.9/6.7 Cummins)
- ARP 247-5405 Main Stud Kit (2007.5–2018 6.7L)
- MAHLE HS54774-1 Head Gasket Set (07.5–18 6.7L)
- MAHLE HS54774-4 Head Set w/ Valve Cover Gasket (07.5–18)
- MAHLE 224-3732WR.040 Piston Set (Alternative OE-style)
- Shop All 2013–2018 6.7L Cummins Pistons & Rings
- Shop 2007.5–2012 6.7L Cummins Engine Parts
- ARP 900-2125 4.2125" Ring Compressor (6.7L)
Helpful Notes
- Machine shop overbore/hone is required for .040" oversize pistons; measure and set clearances per spec.
- Select head gasket thickness based on piston protrusion; do not assume standard thickness after decking.
FAQ
Do these come with rings and pins?Yes, this kit includes matched rings, wrist pins, and clips to simplify installation.
Are these coated?Yes. The pistons feature a protective coating intended to aid heat management and reduce skirt scuffing in heavy-duty use.
Will these work with a stock cam and head?Yes. These are stock-style 6.7L pistons designed for OE drivability. Always verify piston-to-valve clearance after machine work.
What supporting upgrades are recommended?For reliability on tuned/towing builds, we recommend ARP head studs, quality MLS head gaskets, and verifying injector and fuel system health.
