AFTERCOOLER RESTOCKING FEE
Due to the increased labor and handling associated with the products on this page, any returned items from this page, excluding mistakes on the behalf of Seaboard Marine, will be subject to a restocking fee not to exceed 10%, which will be deducted from your refund. Additionally, Shipping & Handling charges are non-refundable.

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
not rated $3,995.00

Out of 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 $4,995.00

In stock

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

100% Genuine Cummins Complete Aftercooler for Cummins 6BTA 5.9 & QSB 5.9 / 6.7SL Engines
100% Genuine Cummins Complete Aftercooler for Cummins 6BTA 5.9 330/370 Diamond & QSB 5.9
not rated $4,995.00

In stock

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

100% Genuine Cummins Complete Aftercooler for Cummins 6CTA 8.3 480CE QSL9 & WET QSM Engines
100% Genuine Cummins Complete Aftercooler for Cummins 6CTA 8.3 480CE QSL9 & WET QSM Engines
100% Genuine Cummins Complete Aftercooler for Cummins 6CTA 8.3 480CE QSL9 & WET QSM Engines
not rated $4,775.00

Out of stock

100% Genuine Cummins Complete Aftercooler for Cummins 6BTA 5.9 & QSB 5.9 / 6.7SL Engines
100% Genuine Cummins Complete Aftercooler for Cummins QSB 6.7 (Slimline Version)
not rated $4,695.00

In stock

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

Cummins Marine QSB 6.7 Aftercooler
100% Genuine Cummins complete Aftercooler for Cummins QSB 6.7 Engine
not rated $5,475.00

In stock

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

100% Genuine Cummins Complete Aftercooler for Cummins QSC 8.3 Engine
100% Genuine Cummins Complete Aftercooler for Cummins QSC 8.3 Engine
100% Genuine Cummins Complete Aftercooler for Cummins QSC 8.3 Engine
not rated $4,995.00

Only 2 left in stock

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

Cummins Aftercooler Core for Cummins Marine Engine

New

Genuine Cummins Aftercooler Core for Cummins 6B Series Engine (4933306)
not rated $3,350.00

Only 2 left in stock

Cummins Aftercooler Core for Cummins Marine Engine
Genuine Cummins Aftercooler Core for Cummins 6CTA/QSL/480CE Series Engine (4025340)
not rated $2,495.00

Only 1 left in stock

Complete Aftercooler Kit for Cummins 4BTA
Replacement Aftercooler for Cummins 4BTA
$1,695.00 – $3,890.00 Select options
Cummins Aftercooler Core for Cummins Marine Engine
SMX Aftercooler Core for Cummins 6B Series Engine
not rated $2,695.00

In stock

Cummins Aftercooler Core for Cummins Marine Engine
SMX Aftercooler Core for Cummins C/L/480CE Series Engine
not rated $1,995.00

In stock

Cummins Aftercooler Core for Cummins 4BTA Engine (3393981)

New

Cummins Aftercooler Core for Cummins 4BTA Engine (3393981)
not rated $2,695.00

Only 2 left in stock

Cummins Aftercooler housing for Cummins 4BTA Engine (3393462)
Cummins Aftercooler housing for Cummins 4BTA Engine (3393462)
Cummins Aftercooler housing for Cummins 4BTA Engine (3393462)
not rated $2,450.00

In stock

Cummins Aftercooler housing for Cummins B Series EngineCummins Aftercooler housing for Cummins B Series Engine
Cummins Aftercooler housing for Cummins B Series Engine
not rated $2,995.00

Out of stock

Cummins Aftercooler housing for Cummins C Series Engine
Cummins Aftercooler housing for Cummins C Series Engine
not rated $2,350.00

Out of stock

Cummins Original Style Aftercooler Housing for Cummins QSB 6.7 Series Engine (5283056)
Cummins Original Style Aftercooler Housing for Cummins QSB 6.7 Series Engine (5283056)
not rated $3,275.00

Only 1 left in stock

Genuine Cummins QSM11 Aftercooler Core
Genuine Cummins QSM11 Aftercooler Core
Genuine Cummins QSM11 Aftercooler Core
not rated $7,395.00

Out of stock

Genuine Cummins QSM11 Aftercooler Housing (Lower Half, 3349416)
Genuine Cummins QSM11 Aftercooler Housing (Lower Half, 3349416)
not rated $2,395.00

Only 2 left in stock

Genuine Cummins QSM11 Aftercooler Housing (Upper Half, 3349415)
Genuine Cummins QSM11 Aftercooler Housing (Upper Half, 3349415)
not rated $4,325.00

Only 2 left in stock

Cummins 12V Air Intake/Grid Heater for B And C Series Aftercooler (3970000)

New

Cummins 12V Air Intake/Grid Heater for B And C Series Aftercooler (3970000)
not rated $225.00

In stock

Cummins 4BTA 3.9 250 Aftercooler Cap (3393462)

New

Cummins 4BTA 3.9 250 Aftercooler Cap (3393462)
not rated $595.00

Only 1 left in stock

Cummins Aftercooler Cap for B Series Engine
Cummins Aftercooler Cap for B Series Engine
not rated $395.00

In stock

Cummins Aftercooler cap for C Series Engine
Cummins Aftercooler Cap for C Series Engine
not rated $595.00

In stock

Cummins Aftercooler Condensation Drain Plug
Cummins Aftercooler Condensation Drain Plug
not rated $85.00

Out of stock

Cummins Marine Aftercooler Condensation Drain with Mini Ball Valve
Cummins Aftercooler Condensation Drain with Mini Ball Valve
not rated $40.00

In stock

Cummins Aftercooler Drain Plug
Cummins Aftercooler Drain Plug
not rated $10.00

In stock

Cummins Air Intake Gasket for QSM11 Aftercooler (3349541)
Cummins Air Intake Gasket for QSM11 Aftercooler (3349541)
not rated $20.00

In stock

Cummins Air Intake Gasket for QSM11 Aftercooler (3818846)
Cummins Air Intake Gasket for QSM11 Aftercooler (3818846)
not rated $7.00

In stock

Cummins Air Intake/Grid Gasket for B And C Series Aftercooler (3969988)
Cummins Air Intake/Grid Gasket for B And C Series Aftercooler (3969988)
not rated $10.00

In stock

Cummins Aftercooler Cap for QSB 6.7 Engine
Cummins Bronze Aftercooler Cap for QSB 6.7 Engine
not rated $425.00

In stock

Cummins Jacket Water Aftercooler (JWAC)
Cummins Early Jacket Water Aftercooler (JWAC)
not rated $875.00

In stock

Cummins Jacket Water Aftercooler (JWAC)
Cummins Jacket Water Aftercooler (JWAC)
not rated $985.00

In stock

Cummins Jacket Water Aftercooler JWAC 255C (5262314)

New

Cummins Jacket Water Aftercooler JWAC 255C (5262314)
not rated $750.00

Only 2 left in stock

Cummins Marine Aftercooler Silicone Sealing Strips
Cummins Marine Aftercooler Silicone Sealing Strips (Set of 4)
not rated $175.00 – $225.00 Select options
Cummins Marine QSM11 Aftercooler Bolt Kit
Cummins Marine QSM11 Aftercooler Bolt Kit
not rated $120.00

In stock

QSC 8.3 Aftercooler Aluminium Spacer Ring 5297255
QSC 8.3 / QSB 6.7 Aftercooler Aluminum Spacer Ring (5297255)
not rated $195.00

In stock

QSC 8.3 MOTA Aftercooler Required Mounting Bracket (5590324)
QSC 8.3 MOTA Aftercooler Required Mounting Bracket (5590324)
not rated $450.00

In stock

SMX Aftercooler 90 Degree Cap for B Series Engine with Freshwater Flush Port
SMX Aftercooler 90 Degree Cap for B Series Engine with Freshwater Flush Port
not rated $250.00

In 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 $250.00

In stock