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New 1B3978 Bearing-Cup Replacement suitable for Caterpillar Equipment

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  • New Bearing-Cup Replacement suitable for Caterpillar Equipment
  • Made to USA Specification

Buy with Confidence: All parts are covered by our warranty

$7.88

Six Month Financing

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4.7

(Site rating)
In Stock | Ships Out Today | Order By 3pm ET
SKU
1B3978CTP
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Description for 1B3978 Bearing-Cup

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This aftermarket Caterpillar 1B3978 Bearing-Cup 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 Bearing-Cup.
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 1B3978 Bearing-Cup

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Replacement Part Number(s): 1B-3978
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: 0.65
Condition: New

Compatible Models for 1B3978 Bearing-Cup

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This 1B3978 Bearing-Cup is compatible with the following models:
518, 518C, 527, 528, 528B, 530B, 589, 631D, 631E, 631G, 633E, 637D, 637E, 637G, 639D, 657, 657B, 666, 910, 910E, 916, 918F, 920, 924F, 924G, 924GZ, 924H, 924HZ, 924K, 928G, 928H, 928HZ, 930, 930G, 930, D10R, D6H, D6H XL, D6R, D6R II, D6R III, D6T & more...

Exact Fit Guarantee for 1B3978 Bearing-Cup

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Looking for a reliable replacement Caterpillar 1B3978 Bearing-Cup ? 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 518, 518C, 527, 528, 528B, 530B, 589, 631D, 631E, 631G, 633E, 637D, 637E, 637G, 639D, 657, 657B, 666, 910, 910E, 916, 918F, 920, 924F, 924G, 924GZ, 924H, 924HZ, 924K, 928G, 928H, 928HZ, 930, 930G, 930, D10R, D6H, D6H XL, D6R, D6R II, D6R III, D6T
Dimensions 3.74x1.57x3.74
Customer Reviews
  1. Mauricio Rodrigues (Portugal)
    100%
    Original Review (Portuguese)
    Muito bom atendimento
    Ótima empresa

    English Translation
    Very good service.
    Excellent company.
  2. James (Indiana, USA)
    100%
    Very thorough ! Confirmed order and great communications.
  3. Louis Grima (Malta)
    100%
    Great Service!
  4. UECP OMAN (Sultanate of Oman)
    100%
    Excellent service and very very good service
  5. Leon Bachu (Uganda)
    100%
    Propel parts is a very reliable parts source for heavy equipment
    Quick response,good quality parts,favourable prices and always deliver on time
Write Your Own Review
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Questions About This Part?
Have a question about fit, compatibility, shipping, warranty, or returns?

This 1B3978 Bearing-Cup is compatible with the following models:
518, 518C, 527, 528, 528B, 530B, 589, 631D, 631E, 631G, 633E, 637D, 637E, 637G, 639D, 657, 657B, 666, 910, 910E, 916, 918F, 920, 924F, 924G, 924GZ, 924H, 924HZ, 924K, 928G, 928H, 928HZ, 930, 930G, 930, D10R, D6H, D6H XL, D6R, D6R II, D6R III, D6T & more...

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.

Same Day Shipping

Orders placed weekdays, by 3pm ET, ship out same day.

United States & Canada

Click Check Delivery Times for discounted Ground, 2-Day & Overnight rates

International Shipping

We have served customers in over 90 countries. Click Check Delivery Time .

Tracking Number

Tracking will be emailed within 24-48 hours of your order.

QUALITY GUARANTEED

1 YEAR UNLIMITED WARRANTY

SAME DAY SHIPPING

ORDER BY 3PM EST. EXCL. WEEKEND

PRICE GUARANTEED

NO CORE OR EXCHANGE CHARGES

NO HASSLE RETURNS

EASY RETURNS & FAST REFUNDS

Trustpilot

4.8 Rating. Excellent
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