ONE SOURCE.
TOTAL ENGINE COVERAGE.
With Capital Reman, Alliant Power expands its capabilities to include fully remanufactured long blocksāsupported by 40+ years of engine reman expertise. Backed by a portfolio of 300,000+ complementary parts, we deliver the components you need to get the job done. And if itās not readily available, weāll source itāproviding a complete diesel solution from one trusted partner.
REMAN ENGINES
LONG BLOCKS
Five major diesel platforms. Ten engine families. Every long block backed by a 12-month unlimited warranty and supported by Alliant Powerās 300,000+ OEM-quality complementary parts. Select a brand to explore models, vehicle applications, and available parts.
CATERPILLAR LONG BLOCKS
COMPLETE ENGINE
SUPPORT
Every long block needs the right supporting components. Alliant Power stocks over 300,000 OEM-quality parts ā and if we donāt have it, our sourcing team will find it.
FUEL SYSTEMS
Injectors, fuel pumps, high-pressure lines, and complete fuel system kits sourced from trusted OEM-quality suppliers.
TURBOCHARGERS
New and remanufactured turbochargers for all major diesel platforms ā BorgWarner, Garrett, Holset, and more.
OIL COOLERS REQUIRED
Required with every long block installation. Alliant Power can source the correct oil cooler for your engine if you donāt have one.
FILTRATION
Complete filtration solutions including oil, fuel, and air filters to protect your remanufactured investment.
EGR & AIR SYSTEMS
EGR valves, coolers, and air system components to ensure clean combustion and emissions compliance.
GASKETS & SEALS
Complete gasket sets and seal kits for proper long block installation and leak-free operation.
Alliant Powerās sourcing team has access to an extensive network. Contact us at 1-809-735-7358 (Option 7) and weāll track it down.
12-MONTH UNLIMITED
PARTS & LABOR
Every remanufactured long block from Capital Reman Exchange is backed by a comprehensive 12-month unlimited miles/hours warranty ā with the option to extend for an additional 12 months.
REGISTER YOUR ENGINE
Register at capitalreman.com under the Resources tab within the warranty window.
INSTALL NEW OIL COOLER
A new oil cooler MUST be installed. Failure to do so automatically voids all warranty coverage.
FOLLOW BREAK-IN PROCEDURE
Pre-lube, avoid synthetic oil, run 5-10 min initially, then 200 miles/3-4 hours at variable RPM.
12-MONTH COVERAGE
Unlimited miles/hours parts & labor warranty. Extend an additional 12 months for $2,000.
WARRANTY AT A GLANCE
WE BUY
ENGINE CORES
Capital Reman Exchange purchases diesel engine cores across all major platforms. Every returned core is fully disassembled, inspected, and documented ā and you receive credit for every component that can be remanufactured.
- Caterpillar, Cummins, Detroit Diesel, Mack & PACCAR cores accepted
- Full teardown inspection with photo documentation
- Credit for every reusable major component
- 30-45 day standard return window (up to 6 months available)
- Cores must be in rebuildable condition, drained and cleaned
CORE RETURN REQUIREMENTS
Return the matching type, size, and model as specified on your invoice.
Standard 30-45 days from invoice date. Extended windows up to 6 months available.
Core must be in rebuildable condition ā no cracked blocks, bent rods, or destroyed heads.
Drain all fluids, clean exterior, wrap in plastic, and mark box āCORE RETURNā.
Include all required paperwork and follow Capital Remanās shipping instructions.
QUESTIONS? CONTACT US.
Our technical support and customer service teams are ready to help with engine orders, parts sourcing, and warranty questions.
ONE SOURCE.
TOTAL ENGINE COVERAGE.
With Capital Reman, Alliant Power expands its capabilities to include fully remanufactured long blocksāsupported by 40+ years of engine reman expertise. Backed by a portfolio of 300,000+ complementary parts, we deliver the components you need to get the job done. And if itās not readily available, weāll source itāproviding a complete diesel solution from one trusted partner.
REMANUFACTURED
LONG BLOCKS
Five major diesel platforms. Ten engine families. Every long block backed by a 12-month unlimited warranty and supported by Alliant Powerās 300,000+ OEM-quality complementary parts. Select a brand to explore models, vehicle applications, and available parts.
CATERPILLAR LONG BLOCKS
COMPLETE ENGINE SUPPORT
Every long block needs the right supporting components. Alliant Power stocks over 300,000 OEM-quality parts ā and if we donāt have it, our sourcing team will find it.
FUEL SYSTEMS
Injectors, fuel pumps, high-pressure lines, and complete fuel system kits sourced from trusted OEM-quality suppliers.
TURBOCHARGERS
New and remanufactured turbochargers for all major diesel platforms ā BorgWarner, Garrett, Holset, and more.
OIL COOLERS REQUIRED
Required with every long block installation. Alliant Power can source the correct oil cooler for your engine if you donāt have one.
FILTRATION
Complete filtration solutions including oil, fuel, and air filters to protect your remanufactured investment.
EGR & AIR SYSTEMS
EGR valves, coolers, and air system components to ensure clean combustion and emissions compliance.
GASKETS & SEALS
Complete gasket sets and seal kits for proper long block installation and leak-free operation.
Alliant Powerās sourcing team has access to an extensive network. Contact us at 1-809-735-7358 (Option 7) and weāll track it down.
12-MONTH UNLIMITED
PARTS & LABOR
Every remanufactured long block from Capital Reman Exchange is backed by a comprehensive 12-month unlimited miles/hours warranty ā with the option to extend for an additional 12 months.
REGISTER YOUR ENGINE
Register at capitalreman.com under the Resources tab within the warranty window.
INSTALL NEW OIL COOLER
A new oil cooler MUST be installed. Failure to do so automatically voids all warranty coverage.
FOLLOW BREAK-IN PROCEDURE
Pre-lube, avoid synthetic oil, run 5-10 min initially, then 200 miles/3-4 hours at variable RPM.
12-MONTH COVERAGE
Unlimited miles/hours parts & labor warranty. Extend an additional 12 months for $2,000.
WARRANTY AT A GLANCE
WE BUY
ENGINE CORES
Capital Reman Exchange purchases diesel engine cores across all major platforms. Every returned core is fully disassembled, inspected, and documented ā and you receive credit for every component that can be remanufactured.
- Caterpillar, Cummins, Detroit Diesel, Mack & PACCAR cores accepted
- Full teardown inspection with photo documentation
- Credit for every reusable major component
- 30-45 day standard return window (up to 6 months available)
- Cores must be in rebuildable condition, drained and cleaned
CORE RETURN REQUIREMENTS
Return the matching type, size, and model as specified on your invoice.
Standard 30-45 days from invoice date. Extended windows up to 6 months available.
Core must be in rebuildable condition ā no cracked blocks, bent rods, or destroyed heads.
Drain all fluids, clean exterior, wrap in plastic, and mark box āCORE RETURNā.
Include all required paperwork and follow Capital Remanās shipping instructions.
QUESTIONS? CONTACT US.
Our technical support and customer service teams are ready to help with engine orders, parts sourcing, and warranty questions.


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