Fab Heavy Parts
Exhaust Manifold 4946654 Fits for Cummins Engine ISF3.8
$339.32 USDUnit price /UnavailableVery low stock (13 units)-
Up to 10% offFab Heavy Parts
Exhaust Manifold 3970066 fits for Cummins 6BT B5.9L Engine
$352.24 USD$393.04Unit price /UnavailableLow stock (24 units) -
Up to 32% off
Fab Heavy Parts
Exhaust Manifold 3943836 & 3937477 Fits for Cummins Engine L8.9 6LTAA
$312.12 USD$461.04Unit price /UnavailableVery low stock (15 units) -
Fab Heavy Parts
Exhaust Manifold 3920950 4020066 Fits for Cummins Engine 6B 6BT 6BTA 5.9
$1,087.99 USDUnit price /UnavailableLow stock (24 units) -
Up to 36% off
Fab Heavy Parts
Exhaust Manifold 3901919 Fits for Cummins Engine 4BT 4BTA3.9 N14 6CT
$235.28 USD$365.83Unit price /UnavailableVery low stock (13 units) -
Fab Heavy Parts
Exhaust Manifold 3901223 Fits for Cummins Engine B-Series 3.9L 4BT3.9 ISBE3.9 QSB3.9
$243.43 USDUnit price /UnavailableVery low stock (11 units) -
Up to 15% off
Fab Heavy Parts
Exhaust Manifold 3287130 Fits for Cummins Engine 4BT QSB ISB 4BT3.9 6ISBE 4ISBE
$374.00 USD$441.99Unit price /UnavailableLow stock (25 units) -
Fab Heavy Parts
Exhaust Manifold 19024-12317 19024-12310 19024-12312 19024-12314 for Kubota Engine D722
$190.39 USDUnit price /UnavailableLow stock (33 units) -
Up to 23% off
Fab Heavy Parts
Exhaust Manifold 17210-12310 for Kubota Engine D1105
$172.28 USD$224.39Unit price /UnavailableLow stock (21 units) -
Fab Heavy Parts
Exhaust Manifold 16691-12310 15416-12313 for Kubota Engine V2203 Tractor L345DT L355SS L345
$339.99 USDUnit price /UnavailableLow stock (26 units) -
Fab Heavy Parts
Exhaust Manifold 1J710-12310 for Kubota Engine V2607
$326.39 USDUnit price /UnavailableLow stock (33 units) -
Fab Heavy Parts
Exhaust Manifold 15861-12310 15861-12313 for Kubota Engine D722
$202.63 USDUnit price /UnavailableLow stock (26 units) -
Fab Heavy Parts
Exhaust Manifold 15371-12310 for Kubota Engine D950
$216.23 USDUnit price /UnavailableLow stock (25 units) -
Fab Heavy Parts
Exhaust Manifold 15221-12314 15221-12310 for Kubota Tractor L185 L185DT L185F L175 L1801 L1500 L1501
$131.91 USDUnit price /UnavailableVery low stock (13 units) -
Fab Heavy Parts
$501.84 USDUnit price /UnavailableLow stock (24 units) -
Up to 7% off
Fab Heavy Parts
$364.47 USD$393.03Unit price /UnavailableLow stock (43 units)
About Exhaust manifold
Heavy-Duty Exhaust Manifolds & Gaskets
Engineered for demanding applications, our exhaust manifolds and gaskets deliver reliable sealing and heat resistance across a wide range of heavy machinery and commercial diesel engines. Each component is selected for dimensional accuracy, OEM compatibility, and long-term durability under high-cycle, high-temperature operating conditions.
What's Included
- Exhaust Manifolds – Cast iron and fabricated steel manifolds for single and multi-cylinder diesel engines, matched to OEM port geometry for direct-fit installation
- Exhaust Manifold Gaskets – Multi-layer steel (MLS) and graphite composite gaskets rated for extreme thermal cycling and exhaust pressure
- Manifold Stud & Hardware Kits – Grade-matched fasteners and anti-seize hardware for complete manifold service
Applications
Compatible with leading OEM platforms including Caterpillar, Cummins, John Deere, Komatsu, Volvo, and more. Cross-reference data available on each product listing.
Why Fab Heavy Parts
- OEM-spec tolerances with full cross-reference compatibility data
- Sourced from verified manufacturers with traceable quality standards
- Fast dispatch with 3PL fulfillment across US, Canada, UK, EU, and Australia
Need Help Finding Exhaust manifold?
Can't find the replacement part you need? Send FAB Heavy Parts your part number, engine model, or equipment details. Our team can help review your requirements and provide a quotation.
Request a Quote