6L1651 Caterpillar Seal O Ring propelparts

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New 6L1651 Seal Replacement suitable for Caterpillar 3116, 3126B, 3306, 3406, 3406B, 3406C, 3408, 3408C, 3408E, 3412, 3412D, 3412E, 3516, C18, C27, C6.6

Name: New 6L1651 Seal Replacement suitable for Caterpillar 3116, 3126B, 3306, 3406, 3406B, 3406C, 3408, 3408C, 3408E, 3412, 3412D, 3412E, 3516, C18, C27, C6.6
Brand: Aftermarket CAT
SKU: 6L1651CTP
Price: 0.87 USD
Availability: InStock
Rating: 4.7 (110 reviews)

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New Seal Replacement suitable for Caterpillar Equipment
Made to USA Specification

Buy with Confidence: All parts are covered by our warranty

$0.87

Six Month Financing

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4.7

(Site rating)

In Stock | Ships Out Today | Order By 3pm ET

SKU

6L1651CTP

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Details

Description for 6L1651 Seal O Ring

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This aftermarket Caterpillar 6L1651 Seal O 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 O 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 6L1651 Seal O Ring

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Replacement Part Number(s): 6L-1651

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: 0.02

Condition: New

Exact Fit Guarantee for 6L1651 Seal O Ring

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Looking for a reliable replacement Caterpillar 6L1651 Seal O 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

More Information
Models	3116, 3126B, 3306, 3406, 3406B, 3406C, 3408, 3408C, 3408E, 3412, 3412D, 3412E, 3516, 6, C18, C27, C6, C6.6 & more
Dimensions	2.36x2.36x0.20

Reviews

Customer Reviews

Mauricio Rodrigues (Portugal) 01/05/2026

100%

Original Review (Portuguese)
Muito bom atendimento
Ótima empresa

English Translation
Very good service.
Excellent company.
Ruslan Zadyrka (Colorado, USA) 08/12/2025

100%

They are great !
JOSH CAUGHRAN (Illinois, USA) 10/02/2024

100%

Steven & Propel Parts were a huge help! We were able to place a large order and get it shipped out same day to avoid a line down situation for a customer due to a lost component. The order was even submitted after the 3pm cutoff for same day shipments and we got it the next morning!
Marcelo’s sand & loam (Texas, USA) 11/30/2023

100%

Science I buy parts from propel parts I don’t have to spend too much down time always on time and good service
Lee Marshall (Kentucky, USA) 11/15/2022

100%

Great service at an affordable price to get my machine back going.

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You're reviewing:New 6L1651 Seal Replacement suitable for Caterpillar 3116, 3126B, 3306, 3406, 3406B, 3406C, 3408, 3408C, 3408E, 3412, 3412D, 3412E, 3516, C18, C27, C6.6

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Compatible Models

This 6L1651 Seal O Ring is compatible with the following models:
3116, 3126B, 3306, 3406, 3406B, 3406C, 3408, 3408C, 3408E, 3412, 3412D, 3412E, 3516, 6, C18, C27, C6, C6.6 & more...

Returns & Warranty

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.

Shipping

Same Day Shipping

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

United States & Canada

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International Shipping

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