New 9D7989 Wheel Nut W/ Wash Replacement suitable for Caterpillar Equipment
- New Wheel Nut W/ Wash Replacement suitable for Caterpillar Equipment
- Made to USA Specification
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Description for 9D7989 Wheel Nut
▶Specification for 9D7989 Wheel Nut
▶Exact Fit Guarantee for 9D7989 Wheel Nut
▶| Dimensions | 2.95x2.76x2.36 |
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The Double Order Catastrophe
My co-worker placed an order and wasn't sure it went through online. I later placed the same order thinking the previous order didn't go through. To my surprise both orders went through, and I needed to cancel one of the orders. I called and spoke with someone who instructed me someone would contact me about the situation. I was contacted by Misty and she said she would do her best to cancel one of the orders but not sure if she could because they were next day orders. A small tome later I received an email saying she was able to cancel one of the orders. Thank you to Misty and the entire Propel Parts Team. Greatly appreciated!! -
Tiene una buena atención y servicio
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Great customer service!
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He was a great help with ordering and refunding the sales tax,
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Having issue running my credit card, Steven was more than helpful to send me a payment link to complete my transaction!
Frequently Asked Questions
What is the 9D7989 nut used for?
The 9D7989 is a nut that pairs with a bolt or stud to clamp components together and resist loosening under load.
How do I install the 9D7989 nut?
Fitting the 9D7989 correctly comes down to clean surfaces and following the manual’s sequence. Work through these steps:
- Shut the machine down and isolate power before service
- Clean the threads on the stud or bolt and inspect them
- Thread the 9D7989 on by hand to confirm it runs freely
- Tighten to the specified torque in the correct sequence
- Re-check the torque after the first operating cycle if advised
Which Caterpillar machines is the 9D7989 compatible with?
Compatibility for the 9D7989 nut varies by machine and configuration, so cross-check it for your Caterpillar equipment before ordering. Or reach out to Propel Parts for help verifying fitment.
Does the 9D7989 nut meet performance standards?
Yes. The 9D7989 is engineered to meet OEM specifications for material, dimensions, and durability. When replacing, choose genuine or high-quality aftermarket parts that meet or exceed OEM specifications so the part performs the way it was designed to.
How often should the 9D7989 be replaced?
The 9D7989 is typically renewed during scheduled service or a related repair. In demanding, high-hour operation, inspect it more often to stay ahead of wear. This part is commonly replaced alongside the 5A3187 Bolt Track, so it is worth checking both while the assembly is open.
What are the signs of a worn or failing 9D7989 nut?
When the 9D7989 reaches the end of its service life, the symptoms tend to show up first as performance or wear issues. Look for:
- A loosening joint or lost torque
- Rounded, stripped, or corroded threads
- A nut that won’t hold position under vibration
- Damage to the mating washer or surface
Why is the 9D7989 nut important, and what related part is commonly replaced with it?
Replacing the 9D7989 when needed keeps the system within its designed clearances and loads, which extends the life of the surrounding parts and supports dependable performance. The 3B4505 Lockwasher is commonly serviced together with this part, so it is worth replacing both while access is available.

We know equipment downtime costs money, so fast and reliable shipping is a priority at Propel Parts. Orders placed on weekdays before 3:00 PM ET typically ship the same day, with expedited delivery options available for many locations when time is critical.
We ship across the U.S., Canada, and over 130 countries worldwide, helping customers keep machines running wherever they operate. Available shipping methods and delivery estimates are shown at checkout so you can select the option that best fits your timeline.
Tracking information is emailed within 24–48 hours after your order is processed, giving you full visibility from dispatch to delivery and peace of mind that your parts are on the way.

Our refund policy is simple. We offer a 30-day, no-hassle return policy, and we make every effort to provide the best service and highest-quality parts possible. If you’re not fully satisfied with your purchase, you may return it within 30 days for a refund. Full details are available on our Returns Policy page.

Buy with confidence. All parts from Propel Parts are covered against material or manufacturer defects for 12 months from the original invoice date. We stand behind every part we sell, so you can count on reliable performance and dependable support. Full details are available on our Warranty Policy page.
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