Replacement Main Bearing for Detroit Diesel ® DD15 Applications Cross Reference OEM Cross References: A4720300740 Superseded/Alternate Numbers: A-A4720300240

Product Details

Main Bearing for Detroit Diesel Engine ? OEM Replacement A4720300740

High-Quality Diesel Engine Part for Detroit Diesel Engine

This premium Main Bearing is built to meet or exceed OEM specs for Detroit Diesel Engine diesel engines. Direct-fit replacement for A4720300740.

Function & Importance

The Main Bearing maintains key engine processes for efficiency and longevity. Failure leads to poor performance or breakdowns.

• OEM Ref: A4720300740
• Engine Make: Detroit Diesel 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 Main Bearing 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: Detroit
• Engine Model / Application: DD15

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

• OEM Cross Reference: A4720300740
• Alternate / Superseded: A-A4720300240
• Interstate-McBee Reference: A-A4720300740

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.