New 1D4630 Cap Screw High He Replacement suitable for Caterpillar Equipment

The 1D4630 cap screw secures components with a precise clamping force applied through its head. It keeps mating parts aligned under load and vibration.

Fitting the 1D4630 correctly comes down to clean surfaces and following the manual sequence. Work through these steps:

1. Shut the machine down and isolate power before service
2. Verify the thread condition on both the 1D4630 and its bore
3. Clean the mating surfaces so nothing interferes with seating
4. Hand-thread the screw first, then bring it to the initial torque
5. Apply the final torque in the sequence given in your manual
6. Re-check after the first operating cycle if the manual advises

The 1D4630 is matched to particular Caterpillar equipment, so always verify the application against your parts reference before purchasing. Or reach out to Propel Parts for help verifying fitment.

Yes. Propel Parts supplies the 1D4630 as a premium aftermarket part made to meet OEM specifications. When replacing, choose genuine or high-quality aftermarket parts that meet or exceed OEM specifications so you can fit it with confidence.

Replace the 1D4630 whenever the assembly it serves is overhauled, or any time it shows wear, damage, or corrosion. Following the intervals in your service manual is the best guide.

When the 1D4630 reaches the end of its service life, the symptoms tend to show up first as performance or wear issues. Look for:

• A joint that gradually loses torque or works loose
• Damaged, galled, or corroded threads
• Elongation or a thinned, necked shank
• Vibration, movement, or leaks where it clamps

Replacing the 1D4630 when needed keeps the system within its designed clearances and loads, which extends the life of the surrounding parts and supports dependable performance. Related hardware on our site includes 5D6644 Shim and 1964672 Nut Square.