STCC3790 | Plunger – Chrome – STC | Cummins Engine
$18.76
In Stock
Replacement Plunger for Cummins ® Cummins General Use Applications Step Timing Control (STC) – Chrome – 0.379 Product Details Plunger – Chrome – STC for Cummins Engine ? OEM Replacement STCC3790 High-Quality Diesel Engine Part for Cummins Engine This premium Plunger – Chrome – STC is built to meet or exceed OEM specs for Cummins […]
Categories:
Interstate McbeeSKU:
STCC3790Brand:
Interstate McbeeReplacement Plunger for Cummins ® Cummins General Use Applications Step Timing Control (STC) – Chrome – 0.379
Product Details
Plunger – Chrome – STC for Cummins Engine ? OEM Replacement STCC3790
High-Quality Diesel Engine Part for Cummins Engine
This premium Plunger – Chrome – STC is built to meet or exceed OEM specs for Cummins Engine diesel engines. Direct-fit replacement for STCC3790.
Function & Importance
The Plunger – Chrome – STC maintains key engine processes for efficiency and longevity. Failure leads to poor performance or breakdowns.
- OEM Ref: STCC3790
- Engine Make: Cummins Engine
- Precision-engineered for durability
- Ideal for rebuilds or maintenance
Why Choose HDKits?
HDKits guides diesel techs with expert support, deep inventory, and fast fulfillment for repairs big and small.
FAQs
Q: What does the Plunger – Chrome – STC do?
A: It ensures smooth engine operation, protecting against wear.
Q: How do I know if it needs replacing?
A: Look for odd noises, loss of power, or diagnostic codes. Contact HDKits if unsure.
Q: Can I install it myself?
A: Basic mechanical skills needed; consult a pro or HDKits experts if in doubt.
Application & Fitment
- Engine Make: Cummins
Confirm the original part number and engine identification before ordering. Where applicable, also verify serial-number range, production year, piston style, bearing size or other configuration notes shown in the product information.
Part Numbers & Cross References
- Interstate-McBee Reference: STCC3790
Need Help Confirming Fitment?
Use the engine model, serial number and original part number when checking compatibility. For kits and sets, review the complete component breakdown above before ordering because contents can vary by engine configuration.


There are no reviews yet.