Looking for the best bulldozer components to keep your machine running smoothly? We’ve gathered a list of top-quality parts, from oil water separators to fuel caps, to help you find the perfect match for your bulldozer.
Bulldozers are the backbone of heavy-duty construction. Keeping them running smoothly requires reliable components. We’ve gathered the best parts to ensure your machine performs at its peak.
From oil water separators to fuel caps, each part is tested for durability. They fit specific models perfectly, making installation quick and easy.
Upgrade your bulldozer with top-quality parts. Trust our guide to help you find the perfect match. Your machine deserves the best care.
List of Top 10 Bulldozer Components
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FridayParts Oil Water Separator 22U-04-21131 Compatible for Komatsu Bulldozer D31EX-21 D37PX-21 D39PX-21 D61EX-15 Replacement |
This oil water separator is perfect for owners of Komatsu Bulldozers like the D31EX-21, D37PX-21, D39PX-21, or D61EX-15. It’s a reliable replacement part that keeps your machine running smoothly. |
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AT221282 A/C Condenser 11″ Fan 12V Fits John Deere 450H 550 550H 650H Bulldozers |
This A/C Condenser Fan is perfect for John Deere bulldozer owners who need a reliable replacement part. It’s ideal for models 450H, 550, 550H, and 650H, ensuring cooling efficiency and long-lasting performance. |
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Solarhome New 600-623-6520 6006236520 Fan for Komatsu Engine 6D95L 4D95S Bulldozer D31E-18 D31P D31 |
This fan is perfect for owners of Komatsu bulldozers with 6D95L or 4D95S engines. It’s a great fit for models like D31E-18, D31P, and more. |
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Steering Cylinder Seal Kit for Komatsu Bulldozer D31-20 |
This Steering Cylinder Seal Kit is perfect for Komatsu Bulldozer D31-20 owners. It’s easy to install and keeps your machine running smoothly. |
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Fuel Cap 07050-20900 For Komatsu (4“) |
This Fuel Cap 07050-20900 is perfect for Komatsu equipment owners who need a 4-inch fuel cap. It fits backhoe loaders and bulldozers like the D31, D20-7, and PC40-5. |
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IMIFAFTAbT 600-613-0440 6006130440 Fan Blade for Komatsu 4D94 4D95L 4D95S Engine D20-5 D20-6 D20-7 Bulldozer |
This fan blade is perfect for owners of Komatsu bulldozers with 4D94, 4D95L, or 4D95S engines. If you need a replacement part for your D20-5, D20-6, or D20-7 model, this is the right choice. |
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Vnshuler Fuel Cap 5″ For Komatsu (07050-20900) |
This Vnshuler Fuel Cap is perfect for Komatsu owners who need a reliable replacement. It fits backhoe loaders and bulldozers, ensuring a secure fuel system. |
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New Fuel Control Assembly Throttle for Komatsu D37E-2 D37E-5 D31E D31P D31A |
This New Fuel Control Assembly Throttle is perfect for owners of Komatsu D37E-2, D37E-5, D31E, D31P, or D31A machines. It’s easy to install and keeps your equipment running smoothly. |
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D35337 Spring Cover fits Case 450 475 Dozer |
This spring cover is perfect for owners of Case 450 or 475 Dozers. It’s built to last and tested for top performance, so you can trust it to keep your machine running smoothly. |
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Solarhome Flange 113-27-21230 for Komatsu Bulldozers D37A D37E D37P D37PG D40A D40AM D40F |
This Solarhome Flange is perfect for owners of Komatsu Bulldozers like the D37A, D37E, D37P, D37PG, D40A, D40AM, or D40F. It’s a reliable replacement part with a 1-year warranty. |
Detailed Reviews
Discover the top 10 Bulldozer Components handpicked for performance and value. Each part is expert-reviewed and backed by customer feedback, ensuring reliability for your machine. Whether you need durability, affordability, or ease of installation, this guide has you covered. Dive in to find the perfect match for your bulldozer’s needs.
1. FridayParts Oil Water Separator 22U-04-21131 Compatible for Komatsu Bulldozer D31EX-21 D37PX-21 D39PX-21 D61EX-15 Replacement

The FridayParts Oil Water Separator is a brand-new aftermarket part. It’s designed for Komatsu bulldozers. Use it with confidence.
This part has the number 22U-04-21131. It fits D31EX-21, D37PX-21, D39PX-21, and D61EX-15 models.
Need help? Contact us anytime. We’re here to assist you.
| Pros | Cons |
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Perfect For:
This oil water separator is perfect for owners of Komatsu Bulldozers like the D31EX-21, D37PX-21, D39PX-21, or D61EX-15. It’s a reliable replacement part that keeps your machine running smoothly.
Ready to Purchase?
2. AT221282 A/C Condenser 11″ Fan 12V Fits John Deere 450H 550 550H 650H Bulldozers

The AT221282 A/C Condenser Fan is built to last. It’s made with top-quality parts and tested for reliability.
This 11-inch fan fits John Deere 450H, 550, 550H, and 650H bulldozers. It runs on 12 volts, delivers 950 CFM airflow, and comes with a 6-month warranty.
| Pros | Cons |
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Perfect For:
This A/C Condenser Fan is perfect for John Deere bulldozer owners who need a reliable replacement part. It’s ideal for models 450H, 550, 550H, and 650H, ensuring cooling efficiency and long-lasting performance.
Ready to Purchase?
3. Solarhome New 600-623-6520 6006236520 Fan for Komatsu Engine 6D95L 4D95S Bulldozer D31E-18 D31P D31

The Solarhome New 600-623-6520 Fan is a reliable replacement for your Komatsu Engine. It’s designed to fit specific Komatsu Bulldozer models like the D31E-18, D31P, and D31.
This fan works with 6D95L and 4D95S engines. It’s easy to install and built to last.
Keep your bulldozer running smoothly with this high-quality fan. It’s a perfect match for your Komatsu equipment.
| Pros | Cons |
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Perfect For:
This fan is perfect for owners of Komatsu bulldozers with 6D95L or 4D95S engines. It’s a great fit for models like D31E-18, D31P, and more.
Ready to Purchase?
4. Steering Cylinder Seal Kit for Komatsu Bulldozer D31-20

The Steering Cylinder Seal Kit is a must-have for your Komatsu Bulldozer D31-20. It keeps your machine running smoothly. This kit is easy to install.
It has the part number D31-20, matching your bulldozer perfectly. The kit is designed for Komatsu Bulldozer D31-20, ensuring a perfect fit.
This seal kit helps prevent leaks and maintains performance. It is a reliable choice for your equipment. Keep your bulldozer in top shape with this kit.
| Pros | Cons |
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Perfect For:
This Steering Cylinder Seal Kit is perfect for Komatsu Bulldozer D31-20 owners. It’s easy to install and keeps your machine running smoothly.
Ready to Purchase?
5. Fuel Cap 07050-20900 For Komatsu (4“)

The Fuel Cap 07050-20900 is for Komatsu machines. It fits 4-inch openings, but check your size first.
This fuel cap works with backhoe loaders and bulldozers. It’s easy to install and built to last.
Part numbers match Komatsu standards. Quality and reliability are guaranteed. Perfect for your equipment.
| Pros | Cons |
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Perfect For:
This Fuel Cap 07050-20900 is perfect for Komatsu equipment owners who need a 4-inch fuel cap. It fits backhoe loaders and bulldozers like the D31, D20-7, and PC40-5.
Ready to Purchase?
6. IMIFAFTAbT 600-613-0440 6006130440 Fan Blade for Komatsu 4D94 4D95L 4D95S Engine D20-5 D20-6 D20-7 Bulldozer

The IMIFAFTAbT Fan Blade is a replacement part for specific Komatsu engines. It fits the 4D94, 4D95L, and 4D95S engines. These engines power D20-5, D20-6, and D20-7 bulldozers.
This fan blade has the part number 600-613-0440. It’s easy to identify and install. Make sure it matches your original part for a perfect fit.
If you’re unsure, send us a message. Include your original part picture and number. We’ll confirm and send the correct part quickly.
| Pros | Cons |
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Perfect For:
This fan blade is perfect for owners of Komatsu bulldozers with 4D94, 4D95L, or 4D95S engines. If you need a replacement part for your D20-5, D20-6, or D20-7 model, this is the right choice.
Ready to Purchase?
7. Vnshuler Fuel Cap 5″ For Komatsu (07050-20900)

The Vnshuler Fuel Cap fits Komatsu equipment like backhoes and bulldozers. It comes in 4″ or 5″ sizes, so check what you need. The part number is 07050-20900, matching Komatsu models.
This cap works for D31, D20-7, D21-8, PC40-5, and more. It’s a direct replacement for your fuel cap needs.
| Pros | Cons |
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Perfect For:
This Vnshuler Fuel Cap is perfect for Komatsu owners who need a reliable replacement. It fits backhoe loaders and bulldozers, ensuring a secure fuel system.
Ready to Purchase?
8. New Fuel Control Assembly Throttle for Komatsu D37E-2 D37E-5 D31E D31P D31A

The New Fuel Control Assembly Throttle is a reliable replacement part for your Komatsu equipment. It is designed to fit specific models, ensuring a perfect match for your machine.
This part has the part number D31A and works with Komatsu D37E-2, D37E-5, D31E, D31P, and D31A models. It’s a direct fit, making installation quick and easy. Get your equipment running smoothly again.
| Pros | Cons |
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Perfect For:
This New Fuel Control Assembly Throttle is perfect for owners of Komatsu D37E-2, D37E-5, D31E, D31P, or D31A machines. It’s easy to install and keeps your equipment running smoothly.
Ready to Purchase?
9. D35337 Spring Cover fits Case 450 475 Dozer

The D35337 Spring Cover is built to last with top-quality materials. It’s tested for reliability, so you can trust it to work well. This cover fits perfectly on Case 450 and 475 Dozers.
It comes with a 6-month warranty, giving you peace of mind. This part is easy to install and ready to use right away.
| Pros | Cons |
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Perfect For:
This spring cover is perfect for owners of Case 450 or 475 Dozers. It’s built to last and tested for top performance, so you can trust it to keep your machine running smoothly.
Ready to Purchase?
10. Solarhome Flange 113-27-21230 for Komatsu Bulldozers D37A D37E D37P D37PG D40A D40AM D40F

The Solarhome Flange 113-27-21230 is a reliable replacement part for your Komatsu bulldozer. It fits specific models, ensuring a perfect match.
This flange is built to last and comes with a 1-year warranty. Trust it for smooth, efficient operation on your machine.
Easy to install, durable, and cost-effective. A smart choice for your bulldozer’s needs.
| Pros | Cons |
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Perfect For:
This Solarhome Flange is perfect for owners of Komatsu Bulldozers like the D37A, D37E, D37P, D37PG, D40A, D40AM, or D40F. It’s a reliable replacement part with a 1-year warranty.
Ready to Purchase?
Buying Guide
Bulldozers work hard, so they need reliable parts. We’ve found the best components to keep your machine running smoothly. Let’s help you make the right choice.
Factors to Consider When Buying Bulldozer Components
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Compatibility:
Make sure the part fits your specific bulldozer model. Check the part number and model compatibility before buying. -
Durability:
Look for parts tested for reliability. High-quality materials ensure they last longer under tough conditions. -
Ease of Installation:
Choose parts that are easy to install. This saves time and gets your machine back to work faster. -
Warranty:
A warranty gives you peace of mind. It shows the manufacturer stands behind their product. -
Price vs. Quality:
Balance cost with quality. Cheaper parts might not last, while top-quality parts save money in the long run. -
Brand Reputation:
Trust well-known brands for reliable performance. They often have better customer support and product testing. -
Customer Reviews:
Read reviews to see how others rate the part. Real-user feedback helps you make an informed decision. -
Purpose:
Identify the part’s main function. For example, a fuel cap prevents leaks, while a fan blade cools the engine. -
Maintenance Needs:
Some parts require regular maintenance. Choose ones that fit your maintenance schedule. -
Availability:
Ensure the part is easy to find. Quick access to replacements keeps downtime to a minimum.
Upgrade your bulldozer with confidence. These factors will help you find the perfect match for your machine.