New 9T7731 Hydraulic Piston Replacement suitable for Caterpillar Equipment

$24.86
In Stock • Ships Today • Order By 3pm ET
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Description for 9T7731 Piston-piston Pump

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This aftermarket Caterpillar 9T7731 Piston-piston Pump is built to meet U.S. OEM specifications for durability and performance. At Propel Parts, we perform strict quality checks to ensure it fits and functions like your original Caterpillar Piston-piston Pump.
Direct Replacement: Engineered for a precise fit in Caterpillar equipment.
OEM-Spec Quality: Manufactured to match the performance of your original part.
Tested Reliability: Strict quality checks are performed before shipping.

Specification for 9T7731 Piston-piston Pump

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Replacement Part Number(s): 9T-7731
Specifications: Aftermarket Part | US OEM Specs.
Shipping: Same Day (Weekdays) | Order by 3pm.
Warranty: Unlimited Mileage | 1 Year Warranty.
Core: No Core Required | No Core Charge.
Weight: 0.45 LBS | 0.20 KG
Dimensions: 1.97 x 1.97 x 3.74 (inches)
Condition: New

Exact Fit Guarantee for 9T7731 Piston-piston Pump

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Looking for a reliable replacement Caterpillar 9T7731 Piston-piston Pump ? Order with confidence through our Exact Fit Guarantee.
Verified Fit: Before we ship, we check your part against CAT SIS (Caterpillar Service Information System) to confirm it's the correct match for your machine.
Peace of Mind: If it isn't the right fit, we'll contact you with the correct Caterpillar part number before your order goes out.
Exclusive Guarantee: Enroll in our Exact Fit Guarantee at checkout to ensure you get the part you need the first time.
Reviews

Customer Reviews

★★★★★

Australian buyer, sales where professional and very responsive with secure parts identification.
Highly recommend.
Bedrock Exploration Pty Lt, Australia

Customer Follow-Up After Delivery:

Thank you Deb and your colleague Anthony A for your help in supplying a replacement part which arrived in good time and is running smoothly.
I shall continue to use your services and recommend you to other remote miners, as your services and delivery times are better than our home-based suppliers.
With thanks again.
Regards, Gerard

★★★★★

100% excelente

★★★★★

La mejor experiencia y calidad

★★★★★

Great customer service.
Prompt , knowledgeable and friendly service.

★★★★★

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!

★★★★★

Tiene una buena atención y servicio

★★★★★

Great customer services, the best

★★★★★

Rapid response! Excellent service!

★★★★★

Fast response and answers all my questions in a polite manner. Highly recommend.

★★★★★

Propel parts is a good Cat vendor that provides a top notch service to customers from ordering to delivery. Their after sales service is really impressive.

Product Questions

Frequently Asked Questions

What is the Caterpillar 9T7731 hydraulic piston used for?

The Caterpillar 9T7731 hydraulic piston is a high-quality aftermarket replacement designed for hydraulic pump applications where controlled pressure and movement are essential. It is manufactured to meet or exceed OEM specifications for dependable performance and durability.

What makes the 9T7731 hydraulic piston a dependable replacement part?

  • Supports efficient hydraulic system movement
  • Helps maintain reliable pressure performance
  • Manufactured from durable materials for long service life
  • Designed to meet or exceed OEM specifications
  • Suitable for demanding hydraulic applications

Is the 9T7731 hydraulic piston compatible with different Caterpillar machines?

Yes, this hydraulic piston may fit multiple Caterpillar equipment applications depending on the hydraulic pump configuration. If you are unsure don’t hesitate to reach out to Propel Parts for help verifying fitment.

Why should worn hydraulic pistons be replaced?

Replacing worn hydraulic pistons helps maintain proper hydraulic pressure, improve system response, and reduce unnecessary wear on connected components.

Does the 9T7731 piston meet OEM performance requirements?

Yes, this aftermarket replacement is designed to meet or exceed OEM specifications for fit, durability, and hydraulic performance.

What problems can a damaged hydraulic piston cause?

A damaged piston may contribute to pressure loss, reduced hydraulic efficiency, poor equipment response, and increased maintenance requirements.

Are similar hydraulic components available from Propel Parts?

Yes. Propel Parts offers a variety of hydraulic replacement parts for Caterpillar equipment. You can also check the Caterpillar Pump A 3S1467 for another related hydraulic system component.

Questions About this Part?
Have a question about fit, compatibility, shipping, warranty, or returns?
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.

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