90 Degree Cap 100% Genuine Cummins Complete Aftercooler for Cummins 6BTA & QSB 5.9 Engines
100% Genuine SMX Aftercooler for Cummins 6BTA 5.9 330/370 Diamond & QSB 5.9 Engines
100% Genuine SMX 90 Degree Cap Complete Aftercooler for Cummins 6BTA 5.9 Engines
not rated $4,395.00

In stock

100% Genuine SMX Aftercooler for Cummins 6BTA 5.9 330/370 Diamond & QSB 5.9 Engines
100% Genuine SMX Aftercooler for Cummins 6BTA 5.9 330/370 Diamond & QSB 5.9 Engines
100% Genuine SMX Aftercooler for Cummins 6BTA 5.9 330/370 Diamond & QSB 5.9 Engines
not rated $4,395.00

In stock

90 Degree Cap 100% Genuine Cummins Complete Aftercooler for Cummins 6BTA 5.9 Engines
90 Degree Cap 100% Genuine Cummins Complete Aftercooler for Cummins 6BTA 5.9 Engines
not rated $5,295.00

In stock

If you would like Seaboard to pre-service the aftercooler, select this option.

Cummins Aftercooler Core for Cummins Marine Engine
SMX Aftercooler Core for Cummins 6B & QSB 5.9 Series Engine
not rated $3,145.00

In stock

Cummins Aftercooler housing for Cummins B Series EngineCummins Aftercooler housing for Cummins B Series Engine
Genuine Cummins Aftercooler housing for Cummins B Series Engine
not rated $2,595.00

Out of stock

Genuine SMX Aftercooler housing for Cummins B Series Engine
Genuine SMX Aftercooler housing for Cummins B Series Engine
not rated $2,395.00

Only 1 left in stock

Fuel Lift Pump for Cummins Marine B-Series Mechanical (M3) Engines
Cummins B-Series Mechanical (M3) Fuel Lift Pump
not rated $368.00

In stock

19 SI, 12V, 3-Wire, Alternator with Pulley for Cummins B 330/370 and Early QSB Engines
19 SI, 12V, 3-Wire, Alternator with Pulley for Cummins B 330/370 and Early QSB Engines
19 SI 12V 3-Wire Alternator with Pulley for Cummins 330B 370B and early QSB 5.9 Engines
not rated $415.00 – $525.00 Select options
19 SI 12V 3-Wire Alternator with Pulley Genuine OEM Cummins 330B 370B and early QSB 5.9 Engines
19 SI 12V 3-Wire Alternator with Pulley Genuine OEM Cummins 330B 370B and early QSB 5.9 Engines
not rated Original price was: $797.00.Current price is: $683.00.

In stock

B-Series, 2 bolt Cummins Starter
6BTA & QSB 5.9 Series, 2 Bolt Cummins Marine Starter, 12V
not rated $473.00

In stock

6BTA 5.9 (JWAC) Air Heater Assembly, 12V
6BTA 5.9 (JWAC) Air Heater Assembly, 12V
not rated Original price was: $2,555.00.Current price is: $1,780.00.

Only 2 left in stock

6BTA Air heater Assembly
6BTA 5.9 Air Heater Assembly, 12V
not rated Original price was: $2,555.00.Current price is: $2,095.00.

In stock

Fused Air Heater Relay Harness (4934884)
6CTA 8.3 Fused Air Heater Relay Harness (4934884)
not rated Original price was: $341.00.Current price is: $158.00.

In stock

6BTA 5.9 Air Heater Assembly (ECU, Control Module)
Air Heater Assembly (ECU, Control Module)
not rated $1,675.00 – $1,780.00 Select options
Cummins Marine 3-Bolt B-Series 6BTA Starter Motor
Cummins Marine 3-Bolt B-Series 6BTA Starter Motor
B Series 3-Bolt Cummins Marine Starter
not rated $341.00 – $394.00 Select options
Cummins 6BTA 5.9 300B Nippon Denso Injection Pump (CPL 970, 1613, 1928)
Cummins 6BTA 5.9 300B Nippon Denso Injection Pump (CPL 970, 1613, 1928)
not rated $3,355.00

Out of stock

Cummins 6CTA 8.3 430/450 Bosch Injection Pump (CPL 8089)
Cummins 6BTA 5.9 315/330 Bosch Injection Pump (CPL 1975)
not rated $8,243.00

Only 1 left in stock

Cummins 6CTA 8.3 430/450 Bosch Injection Pump (CPL 8089)
Cummins 6BTA 5.9 355/370 Bosch Injection Pump (CPL 1975, 2208, 8457)
not rated Original price was: $12,440.00.Current price is: $8,388.00.

Only 1 left in stock

If you currently have a genuine Bosch pump to return as a core, Seaboard will refund $600.00 once received and the pump is rebuildable.

Cummins Aftercooler Cap for B Series Engine
Cummins Aftercooler Cap for B Series Engine
not rated $341.00

Out of stock

SMX Aftercooler Cap for B Series Engine with Freshwater Flush Port
SMX Aftercooler Cap for B Series Engine with Freshwater Flush Port
not rated $265.00

In stock

Cummins Jacket Water Aftercooler (JWAC)
Cummins Early Jacket Water Aftercooler (JWAC)
not rated $919.00

In stock

Cummins Exhaust Manifold Gasket, Marine, B-Series
Cummins Exhaust Manifold Gasket, Marine, B-Series – Premium Laminated
not rated $19.00

In stock

Cummins Exhaust Manifold Gasket, Industrial, B-Series
Cummins Exhaust Manifold Gasket, Older Industrial Version, B-Series
not rated $7.00

In stock

Cummins Jacket Water Aftercooler (JWAC)
Cummins Jacket Water Aftercooler (JWAC)
not rated $1,034.00

In stock

Cummins Jacket Water Aftercooler (JWAC) Air Crossover Inlet (3928501)
Cummins Jacket Water Aftercooler (JWAC) Air Crossover Inlet (3928501)
not rated Original price was: $182.00.Current price is: $158.00.

In stock

Cummins Jacket Water Aftercooler JWAC 255C (5262314)
Cummins Jacket Water Aftercooler JWAC 255C (5262314)
not rated $788.00

Only 2 left in stock

Cummins Marine 6B 5.9 Large Frame Alternator Upgrade Kit
Cummins Marine 6B 5.9 Large Frame Alternator Upgrade Kit
Cummins Marine 6B 5.9 Large Frame Alternator Upgrade Kit
not rated $730.00

In stock

Cummins Marine 6BTA 5.9 250HP CAV/Delphi Injection Pump (3916669, CPL 1247)
Cummins Marine 6BTA 5.9 250HP CAV/Delphi Injection Pump (3916669, CPL 1247)
not rated $2,441.00

Out of stock

Cummins Marine Alternator 4" J180 Support Bracket
Cummins Marine Alternator 4″ J180 Support Bracket
not rated $100.00

In stock

Cummins Marine Alternator Replacement Pulley
Cummins Marine Alternator Replacement Pulley
not rated $100.00

In stock

Cummins Marine Alternator Support Bracket (3287095)
Cummins Marine Alternator Support Bracket (3287096)
not rated $84.00

Only 2 left in stock

Cummins Marine Large Frame Alternator Support Bracket (4980268)
Cummins Marine Large Frame Alternator Support Bracket (4980268)
not rated $462.00

In stock

Cummins Marine Serpentine Belt
Cummins Serpentine Belt for B-Series Engine, CPN 3288689, 5690184 (GREEN)
not rated $68.00

In stock

Cummins Marine Serpentine Belt
Cummins Serpentine Belt for B-Series Engine, CPN 3288735, 3911586 (YELLOW)
not rated $100.00

In stock

Exclusive SMX Hi-Flow 160°F Thermostat Kit for Cummins B Series Engine
Exclusive SMX Hi-Flow 160°F Thermostat Kit for Cummins Mechanical B Series Engine
not rated $99.00

In stock

B-Series, 2 bolt Cummins Starter
Genuine Cummins OEM 2 Bolt Starter Motor for 6BTA & QSB 5.9 Engines
not rated $940.00

In stock

Mechanical (M3) Bosch Fuel Lift Pump Gasket
Mechanical (M3) Bosch Fuel Lift Pump Gasket
not rated $11.00

In stock

Exclusive SMX Hi-Flow 160°F Thermostat Kit for Cummins B Series Engine
Thermostat Kit for Cummins Mechanical B Series Engine, 180°F opening
not rated $68.00

In stock