New 1P3706 Seal Replacement suitable for Caterpillar Equipment

  • New Seal Replacement suitable for Caterpillar Equipment
  • Made to USA Specification

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$0.38
In Stock • Ships Today • Order By 3pm ET
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SKU
1P3706CTP
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Description for 1P3706 Seal Ring

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This aftermarket Caterpillar 1P3706 Seal Ring 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 Seal Ring.
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 1P3706 Seal Ring

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Replacement Part Number(s): 1P-3706
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: 0.01 LBS | 0.00 KG
Dimensions: 3.50 x 6.00 x 0.08 (inches)
Condition: New

Exact Fit Guarantee for 1P3706 Seal Ring

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Looking for a reliable replacement Caterpillar 1P3706 Seal Ring ? 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.
More Information
Dimensions 3.50x6.00x0.08
Customer Reviews
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    Great place for Cat parts!
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    Customer service was great! There was a small problem with the part and they responded quickly and respectfully until was resolved! Highly recommended
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Frequently Asked Questions

Product

What is the 1P3706 seal used for?

The 1P3706 seal keeps fluids contained and contaminants out where two surfaces meet or a shaft rotates. A sound seal maintains pressure, prevents leaks, and protects the components it isolates.

How do I install the 1P3706 seal?

A reliable installation of the 1P3706 starts with inspection and ends with verification. Follow this process:

  1. Shut down and depressurize the system, then let it cool if needed
  2. Remove the old seal and clean the bore and shaft surfaces
  3. Inspect the sealing surface for scoring, pitting, or wear
  4. Lightly lubricate the 1P3706 as directed and fit it square to the bore
  5. Seat it to the correct depth without distorting the lip, then check for leaks

Which Caterpillar machines is the 1P3706 compatible with?

The 1P3706 is matched to particular Caterpillar equipment, so always verify the application against your parts reference before purchasing. If you are still unsure, reach out to Propel Parts, our team will be happy to help you verify if this part fits your equipment.

Does the 1P3706 seal meet performance standards?

Yes. Propel Parts supplies the 1P3706 as a premium aftermarket part made to meet OEM specifications. When replacing, choose genuine or high-quality aftermarket parts that meet or exceed OEM specifications so you can fit it with confidence.

How often should the 1P3706 be replaced?

Replace the 1P3706 whenever the assembly it serves is overhauled, or any time it shows wear, damage, or corrosion. Following the intervals in your service manual is the best guide. The 2H3928 Seal O-Ring is often renewed during the same service, so many technicians replace both at once to reduce downtime.

What are the signs of a worn or failing 1P3706 seal?

Catching a failing 1P3706 early prevents wider damage. The common warning signs include:

  • Visible fluid leaks or seepage at the joint
  • Loss of system pressure
  • Contamination found inside the assembly
  • A hardened, cracked, or torn sealing surface

Why is the 1P3706 seal important, and what related part is commonly replaced with it?

Keeping the 1P3706 in good condition protects the components around it and supports smooth, reliable operation. Maintaining the assembly with parts that meet OEM specifications helps you avoid unplanned downtime. For a complete repair, the 5L3378 Gasket is another component from the same assembly that is commonly replaced at the same time.

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