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New 5P7128 Bolt Replacement suitable for Caterpillar 3306, 3408, 3408C, 3408E, 3412, 3516, 3516B, 3524B, C32,
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Description for 5P7128 Special Head & End Bolts
â–¶Specification for 5P7128 Special Head & End Bolts
â–¶Exact Fit Guarantee for 5P7128 Special Head & End Bolts
â–¶Reviews
Customer Reviews
They were great to deal with
Great service They respond back very fast always try…
They respond back very fast always try there best to get what I need
Very friendly
Prices are reasonable
If there is a problem they fix it
Been working with them 4 years and hopefully many more
Fast response and answers all my questions in a polite manner. Highly recommend.
I almost want to cry ;( writing this review because I dont want people to find out about them and rather keep them in my pocket but they deserve it…
This company is great with Quality Products at amazing prices! Sometimes, their website is not the most accurate but is user friendly and if you got questions they will call back and are very prompt in responding via a call or text to verify inventory before placing an order.
I really appreciate and look forward to continuing to work with you all especially Anthony — he is amazing & the best!!!
Awesome service prices and quality parts
Propel parts is a very reliable parts source for heavy equipment
Quick response,good quality parts,favourable prices and always deliver on time
Great service affordable parts
I own old cat bulldozers D8k,D8H,D8N that required frequent repairs and servicing. it was erratic and practically cumbersome to keep them running without constant supply of reliable
and affordable spares in Uganda a third world country however,since I started dealing with propel parts US,my bulldozers have earned reliability and efficiency in providing high quality services to clients and making me a great dependable construction company in earth moving.
My shipments are always handled expeditiously and delivered in record time to Uganda this is awesome from Propelparts.
My business is booming by the clock for finding the best partner in Propelparts.
Great Customer Service!
Had some difficulties with the website. Contacted customer service. Once I communicated the issues I was having Steven worked through getting my order processed and making sure I got my receipt and all issues resolved. Perfect!
Everything fine, thank you. The only thing with which I had a problem in your Software, is that when I have more than 10 different items on the list, I can't scroll to the first ones. But besides that, I am very happy in going on with buying your parts.
Product Questions
Frequently Asked Questions
What is the Caterpillar 5P7128 bolt used for?​
The Caterpillar 5P7128 bolt is a high-quality aftermarket fastening component designed for use in several Caterpillar engine applications. It is engineered to meet or exceed OEM specifications for strength, durability, and reliable fastening performance.
What are the benefits of the 5P7128 bolt?​
A2.
- Provides secure fastening for critical engine assemblies
- Manufactured from durable materials for heavy-duty use
- Helps maintain equipment stability and reliability
- Designed to meet or exceed OEM specifications
- Suitable for demanding Caterpillar engine environments
Which Caterpillar engines may use the 5P7128 bolt?​
This bolt may be compatible with Caterpillar 3306, 3408, 3408C, 3408E, 3412, 3516, 3516B, 3524B, and C32 engines depending on the application. Check your manual or reach out to Propel Parts for help verifying fitment.
Can worn engine bolts create performance issues?​
Yes. Damaged or weakened bolts can lead to loose assemblies, vibration issues, and uneven pressure on connected components, potentially causing premature wear or failure.
Does the 5P7128 bolt meet OEM standards?​
Yes, this aftermarket replacement is manufactured to meet or exceed OEM specifications for fit, performance, and durability in heavy-duty engine applications.
Are related Caterpillar fastening components available at Propel Parts?​
Yes. Propel Parts offers a range of replacement bolts, caps, and hardware components. You can also check the CAT Cap A 7E6508 for another related replacement part.
Why is replacing worn fastening hardware important?​
Replacing worn fastening hardware helps maintain proper assembly alignment, reduces the risk of vibration-related damage, and supports long-term equipment reliability.
Compatible Models
This 5P7128 Special Head & End Bolts is compatible with the following models:
3306, 3408, 3408C, 3408E, 3412, 3516, 3516B, 3524B, C32 & more...
Shipping | Returns
Shipping
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.
Easy Returns
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.
Warranty
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.
Exact Fit Guarantee
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