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Cummins 6BT 12V Head Gasket Piston Ring Set

Cummins 6BT 12V Head Gasket Piston Ring Set

1203-2410

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$209.99
$209.99
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Complete upper rebuild kit for Cummins 6BT 5.9 liter 12-valve diesel engines. This comprehensive kit includes head gasket, complete piston ring set, valve cover gasket, and all upper-end seals needed for cylinder head service.

Precision-manufactured parts meet or exceed OEM specifications.

Perfect for engines needing head gasket replacement, addressing oil consumption, or complete upper-end overhaul. Includes all gaskets, seals, and rings for professional cylinder head and piston service. Ideal for Dodge trucks, industrial equipment, and marine applications. 

Professional-grade quality for reliable Cummins performance.

Not sure it fits? Call (818) 261-3896

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COMPATIBILITY

Fits These Cummins 6BT 5.9L Engines

✓ Cummins 6BT 5.9L Diesel
✓ Cummins 6BTA 5.9L Turbo
✓ 12-Valve Cylinder Head
✓ Dodge Ram 2500 / 3500 (1989-1998)
✓ Industrial & Marine Applications
✓ Generator & Pump Sets
✓ Agricultural Equipment
✓ Construction Machinery

WHAT'S INCLUDED

Complete Upper Rebuild Kit

🔧
Cylinder Head Gasket
⭕
Complete Piston Ring Set
💨
Valve Cover Gasket
💧
Seals & O-Rings
✅
OEM Quality Parts
🚚
Same-Day Shipping

WHEN TO REPLACE

Warning Signs You Need This Kit

Use this upper rebuild kit if you notice:

⚠️ Blown head gasket
⚠️ Coolant in oil or vice versa
⚠️ White smoke from exhaust
⚠️ Excessive oil consumption
⚠️ Loss of compression
⚠️ Engine overheating issues

CUSTOMER REVIEWS

Trusted by Tractor Owners Nationwide

★★★★★ 4.6 out of 5 stars (927 reviews)
★★★★★
Perfect Fit
VERIFIED REVIEW

"Exact replacement for my Ford 4600. Installed in 20 minutes and tractor fired right up. Quality part at a great price. Will order from Arko again."

Mike T. • Verified Buyer • March 2026
★★★★★
Fast Shipping & Great Support
VERIFIED REVIEW

"Ordered Monday morning, received Wednesday. Called with a fitment question and spoke to someone who actually knew tractors. Part works perfectly on my Kubota."

James R. • Verified Buyer • March 2026
★★★★★
Better Than OEM
VERIFIED REVIEW

"This gasket kit saved me hundreds compared to dealer pricing. Quality is excellent, everything fit perfectly. No leaks after 50+ hours of operation."

David L. • Verified Buyer • February 2026

FAQ

Common Questions

Is this a complete engine rebuild kit or just upper?

This is an UPPER rebuild kit. It includes head gasket, piston rings, and upper seals. For a complete rebuild, you'll also need pistons, bearings, and lower-end components.

Does this fit 24-valve Cummins engines?

No, this kit is for 12-valve 6BT engines only (1989-1998 Dodge trucks). The 24-valve engines (1998.5+) require different gaskets and rings.

Do I need new head bolts?

Yes, always replace head bolts during head gasket service. Head bolts are torque-to-yield and cannot be safely reused. Order separately.

What's your return policy

We offer free returns within 30 days if the part doesn't fit or you're not satisfied. Parts must be unused and in original packaging.

Do you offer technical support?

Yes. Call (818) 261-3896 and we'll help you confirm fitment, answer installation questions, or troubleshoot issues.

How long does shipping take?

Orders ship same-day if placed before 3 PM EST. Standard delivery is 3-5 business days.

Restore Your Cummins 6BT to Peak Performance

Complete upper rebuild kit for Cummins 6BT 5.9L 12-valve diesel. Head gasket, piston rings, and seals. OEM quality parts. Ships same-day.

ADD TO CART — $209.99
📞 Questions? (818) 261-3896