Cummins 4891179F Connecting Rod Cap Screw – Built for Secure, Long-Lasting Engine Performance
The Cummins 4891179F Connecting Rod Cap Screw plays a key role in keeping your engine strong and steady. It locks the connecting rod to the crankshaft, helping the engine handle high loads without breaking down. Made to fit perfectly with other Cummins parts, this screw offers the toughness and accuracy needed for long-term use. Whether you’re fixing a single engine or rebuilding a full set, this Cummins genuine part brings both safety and strength you can trust.
🔩 Specifications
- Part Name: Connecting Rod Cap Screw
- Part Number: 4891179F
- Thread Size: M12 x 1.75
- Length: 85 mm (nominal)
- Material: Heat-treated alloy steel
- Finish: Phosphate coating to fight rust
- Fitment: Designed for multiple Cummins engines
- Packaging: Sold individually
⭐ Key Features
- Built to meet strict Cummins OEM standards
- Delivers strong grip to keep parts tight and secure
- Treated surface helps stop rust and wear
- Simple to install with the right torque tools
- Matches perfectly with other Cummins genuine parts
⚙️ Technical Insights
Unlike common bolts, this connecting rod cap screw stretches slightly during installation. That stretch creates a strong grip that holds under pressure. However, once used, it should not be reused, as the grip strength is reduced. In high-power Cummins parts setups, this small screw takes on big stress during every cycle. Thanks to its sturdy build and special finish, it can handle heat, pressure, and vibration for a long time. Also, because it fits with many Cummins genuine parts, mechanics can install it with confidence.
🛠 Application Scenarios
- ✔ Used when replacing or tightening the connecting rod
- ✔ Helpful during full engine rebuilds
- ✔ Ideal for diesel engines in trucks or machines
- ✔ Great for repair shops and engine service teams
- ✔ Works well in engines built with Cummins parts
📦 Availability
This connecting rod cap screw is in stock and ready for global shipping.
To ensure it fits your Cummins parts setup, please provide your engine serial number (ESN). Our support team is happy to help you check before you order.
