2556863 CAT Gasket

2556863 | CAT Gasket
$14.33

4.7

(Site rating)
In Stock | Ships Out Today | Order By 3pm ET
SKU
2556863
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Description for 2556863 Exhaust Seal

This aftermarket Caterpillar 2556863 Exhaust 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 Exhaust 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 2556863 Exhaust Seal

Replacement Part Number(s): 255-6863
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: 0.03 LBS | 0.01 KG
Dimensions: 4.92 x 4.92 x 0.12 (inches)
Condition: New

Exact Fit Guarantee for 2556863 Exhaust Seal

Looking for a reliable replacement Caterpillar 2556863 Exhaust 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
Dimensions 4.92x4.92x0.12
Customer Reviews
  1. 100%
    Original Review (Portuguese)
    Muito bom atendimento
    Ótima empresa

    English Translation
    Very good service.
    Excellent company.
  2. 100%
    Always helpful and great pricing
  3. 100%
    They are great !
  4. 100%
    The customer care response was very awesome. It was more than what I expected
    The customer care response was very effective and timely
    The response time was amazing
    The availability of most of the parts that I wanted was also very awesome
    Thanks keep it up
  5. 100%
    BEST for Heavy Equipment Parts.
    Awesome quality products! Better customer service! Steven is always a pleasure to work with and very prompt in assisting me - thank you!
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Frequently Asked Questions

Product

What is the purpose of the 2556863 gasket?

This gasket creates a tight seal between engine components, preventing leaks and ensuring efficient operation.

How to Install this 2556863 gasket?

Please refer to the following instructions to install
1. First, remove the old gasket and clean the surfaces thoroughly 
2. Position the new 2556863 gasket carefully, making sure it aligns correctly 
3. Reassemble the components evenly and tighten bolts to the recommended specifications to ensure a secure seal

Which applications is this gasket suitable for?

The 2556863 gasket is designed for various heavy equipment engines. Always verify your engine model compatibility before installation. Check your manual or reach out to Propel Parts for help verifying fitment.

Is this 2556863 gasket reliable under high pressure and temperature?

Yes, this 2556863 gasket is designed to meet OEM specification, providing durability and effective sealing even under extreme conditions.

Can I install this gasket myself?

Yes, with basic mechanical knowledge and proper safety precautions, you can install it yourself. Ensure surfaces are clean and bolts are evenly tightened.

How do I maintain the 2556863 gasket for long-term use?

Take these steps to extend the lifespan of your 2556863 gasket
1. Check for any signs of leaks or wear regularly, 
2. Replace the gasket if necessary. 
3. Proper installation and engine maintenance help extend its lifespan.

What should I do if the gasket leaks after installation?

Inspect the installation to ensure proper alignment and bolt torque. If leaks persist, reinstallation or professional inspection may be required to correct the issue.
Questions About this Part?
Have a question about fit, compatibility, shipping, warranty, or returns?

This 2556863 Exhaust Seal is compatible with the following models:

POWER PACKAGE
C32
GENERATOR
SR4
GENERATOR SET
3408C 3412C C32 CG137-12 G3412C 3406C C18 G3412
POWER MODULE
XQG400 C18
MARINE POWERTRAIN
C12
ENGINE
C32 MARINE G3408 G3412C G3412
PETROLEUM ENGINE
C15 C-15 C32
ROTARY CUTTER
RC7
ENGINE - MACHINE
3208 3408
GEN SET ENGINE
3406C 3306 3406B 3412 3408B 3408C 3408 POWER SYS G3412C 3412C 3306B
MARINE AUXILIARY
C32
MARINE ENGINE
3176C 3176B C30 C32 3408B 3408C C18 MARINE C32 MARINE 3412C 3412E 3306 3412D 3196 C-12 C18 3126B C12 C15 3412 3406B 3406C 3406E C9 C7 3408 3208 3306B
ENGINE - INDUSTRIAL
3406B
INDUSTRIAL ENGINE
3306 C-15 3176B 3412 D333C 3406B 3406C 3406 3412E 3412C 3408B 3408C
GAS ENGINE
G3412 G3408C G3408B G3408 CG137-12
PETROLEUM PACKAGE
TH48-E80 C18

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.