ONE SOURCE.
TOTAL ENGINE COVERAGE.
With Capital Reman, Alliant Power expands its capabilities to include fully remanufactured long blocks—supported 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 it’s not readily available, we’ll source it—providing 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 Power’s 300,000+ OEM-quality complementary parts. Select a brand to explore models, vehicle applications, and available parts.
CATERPILLAR LONG BLOCKS
FULL COVERAGE.
EVERY PLATFORM.
Select your engine family below to view specifications, applied prefixes, and key engineering upgrades.
C15 UNIVERSAL CYLINDER HEAD
Applied Engine Prefixes: ILW, 6NZ, MBN, BXS, EGH, 9NZ, MHP, MXS, NXS, 7CZ, W1A, SDP, B9S
UNIVERSAL COVERAGE — 1994 TO 2010
One cylinder head covers 3406E, C15, and C15 Acert engines. Includes plug kit for complete coverage.
30% MORE COOLANT FLOW
Enhanced cooling passages deliver superior thermal management over the original design.
2× VALVE TENSILE STRENGTH — RATED TO 850°C
Valve material with double the standard tensile strength, engineered for the high-horsepower C18 platform.
3406B/C CYLINDER HEAD
Applied Engine Prefixes: 2EK, 3ZJ, 5KJ, 5YG, 4CK, 4MG, 7FB, 7XC, 8TC
DUAL TENSILE GRADES
Standard casting at 250 MPa. High-performance casting at 300 MPa — for the most demanding duty cycles.
EXHAUST MANIFOLD VERSATILITY
Compatible with both round and square exhaust manifolds using gasket 1299452 — no adapter required.
FUEL NOZZLE ADAPTER AVAILABLE
Available for 3406B/C loaded heads — ensuring correct injector seating and sealing.
| DTECH PART # | OEM REF | STAGE | DESCRIPTION | |
|---|---|---|---|---|
| DT0R3719S1 | 0R3719 | STAGE 1 | New Cylinder Head, CAT 3406B/C Stand Valve Stage 1 | GET QUOTE |
ISX DOHC CYLINDER HEAD
UPGRADED INJECTOR SLEEVE SEAL
Improved sleeve seal material and O-rings prevent coolant leaks at the injector bore.
RELIABLE VALVE GUIDE SEAL
Redesigned seals eliminate oil intrusion and prevent leaking under sustained high-RPM operation.
180% TENSILE STRENGTH VALVES
Inconel-based valve material achieves 180% tensile strength versus standard.
ISX15 / X15 CYLINDER HEADS
CROSS-PLATFORM COMPATIBILITY
Tight dimensional control makes this head applicable to both ISX15 and X15 engines.
INCONEL VALVE MATERIAL
Resists acid corrosion and prevents thermal fatigue under sustained high-heat operation.
IMPROVED UPPER INJECTOR SLEEVE SEALING
Eliminates a common source of coolant intrusion.
D13 / MP8 CYLINDER HEAD
EXTENDED CASTING LIFE
Enhanced alloy content increases casting strength — critical for long-haul applications.
CONCENTRIC CAP FIT
Caps held to tight specifications and aligned for concentricity.
STEEL INJECTOR TUBE
Newest steel injector tube design prevents leakage under high-pressure cycles.
| DTECH PART # | OEM REF | STAGE | DESCRIPTION | |
|---|---|---|---|---|
| DT23491393S2 | 23491393 | STAGE 2 | New Cylinder Head, Volvo Mack D13MP8 EPA10 Stage 2 | GET QUOTE |
| DT23491393S3 | 23491393 | STAGE 3 | New Cylinder Head, Volvo Mack D13MP8 EPA10 Stage 3 | GET QUOTE |
| DT22797841S2 | 22797841 | STAGE 2 | New Cyl Head, Volvo Mack D13/MP8 EPA14/17 Stg 2 | GET QUOTE |
| DT22797841S3 | 22797841 | STAGE 3 | New Cyl Head, Volvo Mack D13/MP8 EPA14/17 Stg 3 | GET QUOTE |
S60 CYLINDER HEAD
IMPROVED VALVE MATERIAL
Upgraded valve material directly addresses known S60 valve malfunctions.
REINFORCED CASTING
Interior weak points in the casting are reinforced to achieve increased structural strength.
TIGHT-SPEC CAPS
Machined to tight dimensional specifications — ensuring zero camshaft interference.
DD15 / DD16 CYLINDER HEAD
PRECISION-MACHINED MATING SURFACES
Guarantees tight tolerances between the head, gasket, and block.
INCREASED SURFACE THICKNESS
Strengthens the head assembly, reducing risk of deformation or cracking.
SHRINKAGE PREVENTION
Precisely controlled casting channel thickness prevents shrinkage defects.
| DTECH PART # | OEM REF | STAGE | DESCRIPTION | |
|---|---|---|---|---|
| DTEA4730105020S3 | EA4730105020 | STAGE 3 | New Cylinder Head, Detroit DD15 Stage 3 | GET QUOTE |
PACCAR MX-13 CYLINDER HEAD
EPA13 / EPA17 COMPLIANCE
Full coverage for both EPA13 and EPA17 emissions standards.
STAGE 3 PERFORMANCE
Enhanced durability and performance for long-haul applications.
PRECISION MACHINED
Tight tolerances ensure perfect fit and sealing.
