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New 3H2033 Glow Plug Replacement suitable for Caterpillar Equipment
- New Glow Plug Replacement suitable for Caterpillar Equipment
- Made to USA Specification
Buy with Confidence: All parts are covered by our warranty
Exact Fit Guarantee
This part is guaranteed to fit your machine.
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Description for 3H2033 Glow Plug
â–¶Specification for 3H2033 Glow Plug
â–¶Exact Fit Guarantee for 3H2033 Glow Plug
â–¶| Models | D311, D315, D318 |
|---|---|
| Dimensions | 5.63x0.39x0.39 |
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I put 2 of the same orders in due to a web page error and shortly after I was contacted by Deb from customer service asking if I meant to place both orders. She was very helpful, the email was very well written and it genuinely made me feel better about the whole experience. She resolved the issue quickly and with there not being much of customer service these days I was very happy so see that is not the case everywhere!!!
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This is a great company to work with. Our sales associate Anthony quickly located the correct part and sent it out right away.
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BEST for Heavy Equipment Parts.
Awesome quality products! Better customer service! Steven is always a pleasure to work with and very prompt in assisting me - thank you! -
Great people! Good and fast service. Always looking to help get what you need! 10/10 ????????
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Good Stuff.
We have had a couple shipping issues, but each time they made it right and we ended up getting what we need. Quality parts at half the price of OEM.
Frequently Asked Questions
What is the 3H2033 plug used for?
The 3H2033 plug seals an opening or heats/ignites as its design requires, keeping the system closed or supporting combustion. Its correct function protects the assembly.
How do I install the 3H2033 plug?
To install the 3H2033 properly, prepare the area first and confirm the result afterward. Use these steps:
- Shut off and cool the engine, then disconnect power if electrical
- Remove the old plug and clean the threads and seat
- Inspect the bore and threads for damage
- Thread the 3H2033 in by hand, then torque to specification
- Reconnect any wiring and test for correct operation
Which Caterpillar machines is the 3H2033 compatible with?
The 3H2033 plug is used across many Caterpillar applications, but the correct fit depends on your exact model and assembly. Always cross-check fitment using your service manual or part reference guide before ordering. If you are unsure don't hesitate to reach out to Propel Parts for help verifying fitment.
Does the 3H2033 plug meet performance standards?
Yes. The 3H2033 is built to meet OEM specifications for fit, strength, and service life. When replacing, choose genuine or high-quality aftermarket parts that meet or exceed OEM specifications to keep the assembly protected.
How often should the 3H2033 be replaced?
Service life for the 3H2033 depends on operating conditions and load. Replace it on inspection findings or at the interval your manual specifies rather than waiting for a failure.
What are the signs of a worn or failing 3H2033 plug?
A worn 3H2033 usually gives early warning through the assembly it supports. Watch for these signs:
- Leaks or loss of pressure at the plug
- Hard starting or rough running (for heating/ignition types)
- Corroded or damaged threads
- Warning indicators related to the circuit
Why is the 3H2033 important, and what related parts work with it?
A sound 3H2033 is inexpensive insurance against larger repairs. Servicing it on time with parts that meet OEM specifications keeps the whole assembly working as intended. Related hardware on our site includes 8G3732 Seal and 5M2667 Gasket.
This 3H2033 Glow Plug is compatible with the following models:
D311, D315, D318 & more...
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®
The right part — or we'll make it right.
Order Normally
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Place your order, then send us your serial number before it ships.
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1 YEAR UNLIMITED WARRANTY
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