Product Description
Genuine Cummins
Cummins 4932376 — Upper Connecting Rod Bearing (.020" Undersize / 0.50 mm)
MPN: 4932376 | Also Known As: con rod bearing, upper shell | Size: .020" undersize (0.50 mm) | Pairs With (Lower): 4892796
Why This Part
- ✓ OE bearing shell for precise oil clearance and long service life.
- ✓ .020" undersize / 0.50 mm for cranks ground to this spec.
- ✓ Upper shell—use six (6) per engine and match with six (6) lowers (4892796).
- ✓ Genuine Cummins metallurgy and geometry to protect journals at load.
OE Fit Sold Per Bearing Set = 12 Shells
Quick Specs
| Type | Connecting rod bearing — upper shell |
|---|---|
| OE Part # | 4932376 (upper) · pair with 4892796 (lower) |
| Size | .020" undersize / 0.50 mm |
| Qty Required | 6 uppers (4932376) + 6 lowers (4892796) per engine |
Verified Fitment (Automotive)
| Year Range | Engine | Notes |
|---|---|---|
| 2003–2018 | Ram 5.9L / 6.7L ISB (24V Common-Rail) | Used as the upper shell; pair lowers with 4892796. Confirm crank grind size. |
| 1989–2002 | Ram 5.9L (12V & 24V) | Used in rebuilds requiring .020"/0.50 mm undersize; verify shell orientation and ESN. |
Industrial/Off-Highway: Common across 4BT/6BT/ISB families where .020"/0.50 mm undersize is specified—always confirm by ESN and crank spec.
Often Paired With
- Lower rod bearings: Cummins 4892796 (.020"/0.50 mm)
- Main bearings & thrust set (size to match your grind)
- ARP rod bolts and fresh rod nuts (as required)
- Assembly lube and micrometer/plastigage to verify clearance
What’s In The Box
- (1) Genuine Cummins Upper Connecting Rod Bearing (4932376) — sold per bearing
Install Tips
- Confirm crank journal size is .020"/0.50 mm undersize before install.
- Use proper orientation (upper vs lower) and torque rod bolts to spec.
- Measure oil clearance; target OE spec for your build; lube during assembly.
FAQ
IS 4932376 THE UPPER OR LOWER ROD BEARING?Upper shell. Pair with 4892796 for the lower shell (order six of each per engine).
WHAT SIZE IS THIS BEARING?.020" undersize (0.50 mm). Only for cranks ground to this size.
WILL THIS FIT BOTH 5.9L AND 6.7L?Yes—commonly used across ISB 5.9L and 6.7L platforms when .020"/0.50 mm is required. Always verify by ESN and journal size.
HOW MANY DO I NEED?Six (6) upper shells 4932376 and six (6) lower shells 4892796. Bearings are sold individually.
IS THIS A GENUINE CUMMINS PART?Yes—OE Cummins bearing shell for proper fit, hardness, and durability.
