Cummins 4B3.9 (4BT) Engine Parts
The Cummins 4B3.9 – better known as the 4BT – is a 3.9-liter, four-cylinder diesel legend used in agricultural machinery, forklifts, small generators and repower projects worldwide. Its 102 mm bore is identical to the 6BT, so pistons, rings and liners are shared between the two.
EPID stocks 4BT pistons and ring kits, cylinder liners, gasket kits, bearings and overhaul kits, manufactured to OEM specifications.
Tell us your engine serial number or the part number you need – we quote within 24 hours and ship with full export documentation.
Popular Cummins 4B3.9 (4BT) Engine Parts We Supply
- Pistons, Rings & Liner Kits
- Full Gasket Kits & Head Gaskets
- Complete Overhaul / Rebuild Kits
- Cylinder Liners & Cylinder Blocks
- Browse all Cummins engine parts
Looking for a specific part number? Send us your inquiry and get a quotation fast.
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Frequently Asked Questions
Do you ship Cummins engine parts to my country?
Yes. We export to Latin America, the Middle East, Africa and worldwide, with full export documentation and fast delivery.
How do I get a price list or quotation?
Send your engine serial number or OEM part numbers through the contact form or WhatsApp, and we reply with a quotation within 24 hours.
Are these parts genuine OEM quality?
Our parts are manufactured to OEM specifications and quality-checked before shipment, giving you OEM-level reliability at better prices.
