New 8D3902 Oil Seal Replacement suitable for Caterpillar 12G, 12H, 12H ES, 12H NA, 12K, 130G, 140G, 140H, 140H ES, 140H NA, 140K, 140M, 143H, 160G, 160H, 160H ES, 160H NA, 160K, 160M, 163H, 163H NA, 3176C, 3304, 3306, C-9, C7, C9, and more

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

Buy with Confidence: All parts are covered by our warranty

$6.62

4.7

(Site rating)
In Stock | Ships Out Today | Order By 3pm ET
SKU
8D3902CTP
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Description for 8D3902 Oil Seal

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This aftermarket Caterpillar 8D3902 Oil Seal 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 Oil Seal.
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 8D3902 Oil Seal

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Replacement Part Number(s): 8D-3902
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: 0.42 LBS | 0.19 KG
Dimensions: 4.61 x 4.61 x 0.47 (inches)
Condition: New

Exact Fit Guarantee for 8D3902 Oil Seal

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Looking for a reliable replacement Caterpillar 8D3902 Oil Seal ? 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
Models 12G, 12H, 12H ES, 12H NA, 12K, 130G, 140G, 140H, 140H ES, 140H NA, 140K, 140M, 143H, 160G, 160H, 160H ES, 160H NA, 160K, 160M, 163H, 163H NA, 3176C, 3304, 3306, C-9, C7, C9 & more
Dimensions 4.61x4.61x0.47
Customer Reviews
  1. 100%
    Excellent Customer service
  2. 100%
    Excelente servicio rapido, responsable y confiable
  3. 100%
    Excellent service and very very good service
  4. 100%
    Great customer service.
    Prompt , knowledgeable and friendly service.
  5. 100%
    Excellent experience.
    Mike has been very helpful. I am looking forward to keep doing business with them
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You're reviewing:New 8D3902 Oil Seal Replacement suitable for Caterpillar 12G, 12H, 12H ES, 12H NA, 12K, 130G, 140G, 140H, 140H ES, 140H NA, 140K, 140M, 143H, 160G, 160H, 160H ES, 160H NA, 160K, 160M, 163H, 163H NA, 3176C, 3304, 3306, C-9, C7, C9, and more
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Questions About this Part?
Have a question about fit, compatibility, shipping, warranty, or returns?

This 8D3902 Oil Seal is compatible with the following models:
12G, 12H, 12H ES, 12H NA, 12K, 130G, 140G, 140H, 140H ES, 140H NA, 140K, 140M, 143H, 160G, 160H, 160H ES, 160H NA, 160K, 160M, 163H, 163H NA, 3176C, 3304, 3306, C-9, C7, C9 & 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.