What are the best 90400 replacement valves for GM vehicles and Komatsu excavators?
We provide durable and easy-to-install valves that deliver reliable performance for everyday driving or heavy-duty work.
Choosing the right replacement valve is key to keeping your vehicle or machinery running smoothly. Our guide focuses on the best 90400 replacement valves for GM vehicles and Komatsu excavators, ensuring you find the perfect match.
These valves are durable, easy to install, and built to last. Whether for daily driving or heavy-duty work, they deliver reliable performance every time.
List of Top 10 90400 Replacement Valves
| Image | Title | Best For | Price |
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Adjustable Power Steering Valve Aluminum For GM Type II Pumps Replace 90400 |
This Adjustable Power Steering Valve is perfect for drivers who own Chevrolet, GMC, or Cadillac vehicles and want smooth, reliable steering for daily use. It’s easy to adjust and built to last, making it ideal for everyday driving. |
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XYo 723-30-90400 Relief Valve Main Service Valve For Komatsu PC120-6 PC150-6 PC160-6 PC200-6 Excavator 7233090400 |
Perfect for Komatsu PC120-6 PC150-6 PC160-6 PC200-6 owners and mechanics. Easy to install and fast to fix problems with your excavator. |
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723-30-50101 723-30-90101 723-30-90400 723-70-51401 Main Relief Valve |
This Main Relief Valve is perfect for anyone needing a reliable replacement part. It’s easy to install and works seamlessly with compatible equipment. |
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723-30-90400 Relief Valve for Komatsu PC120-6 PC150-6 PC160-6 PC200-6 Excavator |
This relief valve is perfect for Komatsu excavator owners who need a reliable replacement part. It fits PC150, PC160, PC180, PC200EL, PC200EN, PW150ES, and PW170ES models. |
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723-30-90400 Main Relief Valve Compatible with Komatsu Excavator PC200-6 PC150-6 PC160-6 |
This 723-30-90400 Main Relief Valve is perfect for owners of Komatsu Excavators PC200-6, PC150-6, or PC160-6. It’s a reliable replacement to keep your machine running smoothly. |
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WZCNLXLX NEW Relief Valve 723-30-90400 7233090400 for Komatsu PC150 PC160 PC180 PC200EL PC200EN PW150ES PW170ES Excavator |
This relief valve is perfect for owners of Komatsu excavators like the PC150, PC160, PC180, PC200EL, PC200EN, PW150ES, or PW170ES. If you need a reliable replacement part, this is it. |
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Main Valve 723-30-90400 For Komatsu PC150 PC160 PC180 PW150ES PW170ES PC200EL |
This main valve is perfect for owners of Komatsu PC150, PC160, PC180, PW150ES, PW170ES, or PC200EL machines. It’s the right part to keep your equipment running smoothly. |
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Main Valve 723-30-90400 For Komatsu Excavator PC150-6K PC160-6K PC200EN-6K |
This main valve is perfect for owners of Komatsu excavators like the PC150-6K, PC160-6K, or PC200EN-6K. It’s the right part to keep your machine running smoothly. |
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Compatible with g-m Type II Pumps New 90400 Adjustable Power Steering Flow Valve Upgraded Replacement Parts |
This product is perfect for anyone needing a reliable and durable replacement part for their power steering system. It’s ideal for daily drivers and off-road enthusiasts alike. |
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IMELBUFF 723-30-90400 Relief Valve Main Service Valve for Komatsu PC120-6 PC150-6 PC160-6 PC200-6 Excavator Power Steering Control Valves |
This IMELBUFF Relief Valve is perfect for owners of Komatsu excavators like the PC120-6, PC150-6, PC160-6, or PC200-6 who need a reliable replacement part. It’s easy to check compatibility and comes with great support. |
Detailed Reviews
We picked the best valves with expert care. These parts fit GM and Komatsu models perfectly. They are built to last and work well. Read on to see your perfect match right now.
1. Adjustable Power Steering Valve Aluminum For GM Type II Pumps Replace 90400

This aluminum power steering valve replaces part number 90400 for GM Type II pumps. It fits many GM vehicles like Chevrolet, GMC, and Cadillac models.
It adjusts from 0.25 to 3.5 GPM. Best static pressure goes to 100-425 PSI. The valve works for daily driving only.
Made of 6061 aluminum alloy, it has strong, wear-resistant anodized treatment. Check your fitment and contact us with any questions.
| Pros | Cons |
|---|---|
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Perfect For:
This Adjustable Power Steering Valve is perfect for drivers who own Chevrolet, GMC, or Cadillac vehicles and want smooth, reliable steering for daily use. It’s easy to adjust and built to last, making it ideal for everyday driving.
Ready to Purchase?
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2. XYo 723-30-90400 Relief Valve Main Service Valve For Komatsu PC120-6 PC150-6 PC160-6 PC200-6 Excavator 7233090400

This valve is for the power steering. It fits the Komatsu PC series. Use the 723-30-90400 part.
It goes on a main service valve. It helps the heavy machine run.
It is strong and fast. It is a Worth Choice item. It is easy to install for you.
| Pros | Cons |
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Perfect For:
Perfect for Komatsu PC120-6 PC150-6 PC160-6 PC200-6 owners and mechanics. Easy to install and fast to fix problems with your excavator.
Ready to Purchase?
3. 723-30-50101 723-30-90101 723-30-90400 723-70-51401 Main Relief Valve

The Main Relief Valve is a reliable replacement for worn or damaged parts. It ensures consistent operation with matched equipment. Always check compatibility before buying.
It fits easily and works as a direct replacement. Its simple design makes installation quick.
This valve is built to last and perform well. Verify the part number matches your OEM. It’s a smart choice for smooth equipment function.
| Pros | Cons |
|---|---|
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Perfect For:
This Main Relief Valve is perfect for anyone needing a reliable replacement part. It’s easy to install and works seamlessly with compatible equipment.
Ready to Purchase?
4. 723-30-90400 Relief Valve for Komatsu PC120-6 PC150-6 PC160-6 PC200-6 Excavator

This relief valve protects your Komatsu hydraulic pump. It fits PC120-6, PC150-6, and many more models.
Check your model first. Make sure 723-30-90400 fits. We provide honest details to stop returns.
| Pros | Cons |
|---|---|
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Perfect For:
This relief valve is perfect for Komatsu excavator owners who need a reliable replacement part. It fits PC150, PC160, PC180, PC200EL, PC200EN, PW150ES, and PW170ES models.
Ready to Purchase?
5. 723-30-90400 Main Relief Valve Compatible with Komatsu Excavator PC200-6 PC150-6 PC160-6

The 723-30-90400 Main Relief Valve is a reliable replacement part for your Komatsu excavator. It fits models like the PC200-6, PC150-6, and PC160-6.
This valve is built to last and ensures your excavator runs smoothly. It helps control pressure in the hydraulic system, keeping your machine working efficiently.
Easy to install, durable, and cost-effective. This valve is a smart choice for your excavator needs.
| Pros | Cons |
|---|---|
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Perfect For:
This 723-30-90400 Main Relief Valve is perfect for owners of Komatsu Excavators PC200-6, PC150-6, or PC160-6. It’s a reliable replacement to keep your machine running smoothly.
Ready to Purchase?
6. WZCNLXLX NEW Relief Valve 723-30-90400 7233090400 for Komatsu PC150 PC160 PC180 PC200EL PC200EN PW150ES PW170ES Excavator

The WZCNLXLX Relief Valve is a hydraulic pump designed for Komatsu excavators. It fits models like PC150, PC160, and PC200EL. This part ensures smooth machine operation.
Its item number is 723-30-90400, making it easy to identify. Always check the part number and product image before buying. This avoids unnecessary returns.
Need help? Contact our sales team for expert advice. We offer first-class products and high-quality service. Trust us for a pleasant shopping experience.
| Pros | Cons |
|---|---|
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Perfect For:
This relief valve is perfect for owners of Komatsu excavators like the PC150, PC160, PC180, PC200EL, PC200EN, PW150ES, or PW170ES. If you need a reliable replacement part, this is it.
Ready to Purchase?
7. Main Valve 723-30-90400 For Komatsu PC150 PC160 PC180 PW150ES PW170ES PC200EL

The Main Valve 723-30-90400 is a key part for Komatsu machines. It works with PC150, PC160, PC180, PW150ES, PW170ES, and PC200EL models. This valve helps your equipment run smoothly.
This part has the number 723-30-90400. It is made to fit specific Komatsu models.
Using the right valve keeps your machine working well. It is easy to install and reliable.
| Pros | Cons |
|---|---|
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Perfect For:
This main valve is perfect for owners of Komatsu PC150, PC160, PC180, PW150ES, PW170ES, or PC200EL machines. It’s the right part to keep your equipment running smoothly.
Ready to Purchase?
8. Main Valve 723-30-90400 For Komatsu Excavator PC150-6K PC160-6K PC200EN-6K

The Main Valve 723-30-90400 is a key part for Komatsu Excavators. It works with PC150-6K, PC160-6K, and PC200EN-6K models. This valve helps your excavator run smoothly.
This part is built to last and fits perfectly. It ensures your machine works efficiently every time.
With the correct part number, you can trust its quality. It’s easy to install and keeps your excavator in top shape.
| Pros | Cons |
|---|---|
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Perfect For:
This main valve is perfect for owners of Komatsu excavators like the PC150-6K, PC160-6K, or PC200EN-6K. It’s the right part to keep your machine running smoothly.
Ready to Purchase?
9. Compatible with g-m Type II Pumps New 90400 Adjustable Power Steering Flow Valve Upgraded Replacement Parts

The 90400 Adjustable Power Steering Flow Valve is a durable upgrade for your vehicle. It’s compatible with g-m Type II pumps, ensuring a perfect fit.
Made from heat-treated steel and reinforced aluminum alloys, this valve is built to last. Each part is tested for strength and corrosion resistance, so it works on or off road.
Easy to install, reliable, and long-lasting. A smart choice for better steering.
| Pros | Cons |
|---|---|
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Perfect For:
This product is perfect for anyone needing a reliable and durable replacement part for their power steering system. It’s ideal for daily drivers and off-road enthusiasts alike.
Ready to Purchase?
10. IMELBUFF 723-30-90400 Relief Valve Main Service Valve for Komatsu PC120-6 PC150-6 PC160-6 PC200-6 Excavator Power Steering Control Valves

The IMELBUFF 723-30-90400 Relief Valve is a main service valve for Komatsu excavators. It fits models like PC120-6, PC150-6, and PC200-6. This valve ensures smooth power steering control for your machine.
Before buying, check if it matches your needs. We offer a 3-month warranty and 24-hour support. Reach out if you have questions about the product.
| Pros | Cons |
|---|---|
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Perfect For:
This IMELBUFF Relief Valve is perfect for owners of Komatsu excavators like the PC120-6, PC150-6, PC160-6, or PC200-6 who need a reliable replacement part. It’s easy to check compatibility and comes with great support.
Ready to Purchase?
Buying Guide
Choosing the right 90400 replacement valve is key to keeping your vehicle or machinery running smoothly. Our guide helps you find the perfect match for your needs.
Factors to Consider When Buying:
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Compatibility: Make sure the valve fits your specific make and model. Check the part number and product details to avoid unnecessary returns.
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Material: Look for valves made from durable materials like aluminum alloy or heat-treated steel. These materials ensure longevity and reliable performance.
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Ease of Installation: Choose a valve that is easy to install, with a simple design and clear instructions. This saves time and effort during replacement.
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Performance: Consider the valve’s pressure range and flow rate to ensure it meets your equipment’s requirements. Reliable performance is crucial for smooth operation.
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Warranty and Support: Opt for products with a warranty and customer support. This provides peace of mind and assistance if issues arise.
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Price and Value: Compare prices to find a valve that offers the best value for your budget. Cost-effective options can still provide quality and durability.
By considering these factors, you’ll find the best 90400 replacement valve for your needs, ensuring smooth and efficient operation of your vehicle or machinery.