DTECH: QUALITY YOU CAN TRUST

QUALITY YOU CAN TRUST – STRONGER THAN BEFORE
BETTER PARTS.
BETTER VALUE.

DTech diesel components covering every major diesel platform.
Backed by Alliant Power’s 65 years of diesel engineering.

Quality You Can Trust. Backed by Alliant Power.

EXPLORE PRODUCTS → WHY DTECH
PRODUCT RANGE

EVERY PLATFORM.

ONE STANDARD.

Comprehensive diesel fuel system coverage across every major platform — light, medium, and heavy-duty applications.

Caterpillar Applications
Cummins Applications
Detroit Diesel Applications
Ford/Navistar Applications
GM Applications
John Deere Applications
PACCAR & Sprinter Applications
BETTER PARTS. BETTER VALUE.

DTECH
CYLINDER HEAD PROGRAM.

Quality you can trust. Stronger than before.

Full coverage across Caterpillar, Cummins, Detroit Diesel, Volvo/Mack, and PACCAR — engineered for the demands of heavy-duty diesel.

Advanced Alloys
Inconel valve options for extreme heat resistance
Multi-Stage Performance
Stage 1, 2, and 3 configurations for every application
18 PART NUMBERS
5 ENGINE FAMILIES
3 PERFORMANCE STAGES
20+ YEARS OF DTECH TRUST
CATERPILLAR • CUMMINS • DETROIT DIESEL • VOLVO/MACK • PACCAR
PERFORMANCE TIERS

THREE STAGES.
EVERY APPLICATION.

Match the head to the application. DTech’s three-tier system lets fleet managers and engine builders choose the exact performance level their operation demands.

STAGE 1
ECONOMIC
EE
Standard Replacement

Reliable, cost-conscious performance for standard replacement applications. Direct-fit precision with the quality and fitment you expect from DTech.

  • Standard replacement valves
  • Direct-fit across all supported engine families
  • Ideal for cost-conscious fleet replacements
  • Backed by Alliant Power
STAGE 2
EXCELLENT
EH / HE
Inconel Valve Upgrade

Improved heat resistance for demanding duty cycles. Inconel intake or exhaust valve upgrade provides extended service life in high-temperature environments.

  • Inconel intake or exhaust valve upgrade
  • Improved heat resistance for demanding cycles
  • Extended valve service life
  • Backed by Alliant Power
STAGE 3
ENHANCED PERFORMANCE
HH
Full Inconel Build

Built for the most severe operating conditions. Full Inconel intake and exhaust valves deliver 1.8× the tensile strength of standard valves for maximum durability.

  • Full Inconel intake & exhaust valves
  • 1.8× tensile strength vs. standard valves
  • Built for severe duty and high-output engines
  • Maximum durability and service interval
ENGINE COVERAGE

FULL COVERAGE.
EVERY PLATFORM.

Select your engine family below to view specifications, applied prefixes, and key engineering upgrades.

C15 Cylinder Head

C15 UNIVERSAL CYLINDER HEAD

CATERPILLAR | 3406E • C15 • C15 ACERT

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.

DTECH PART #OEM REFSTAGEDESCRIPTION
DT2635055S12635055STAGE 1New Cylinder Head, CAT C15 Loaded, Stage 1
DT2635055S22635055STAGE 2New Cylinder Head, CAT C15 Uni, w/ Plug Stage 2
DT2635055S32635055STAGE 3New Cylinder Head, CAT C15 Universal Stage 3
3406B/C Cylinder Head

3406B/C CYLINDER HEAD

CATERPILLAR | 3406B/C

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 REFSTAGEDESCRIPTION
DT0R3719S10R3719STAGE 1New Cylinder Head, CAT 3406B/C Stand Valve Stage 1
ISX DOHC Cylinder Head

ISX DOHC CYLINDER HEAD

CUMMINS ISX | CM570 • CM870 • CM871 | 1998-2010

Applied Engine Prefixes: —

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.

DTECH PART #OEM REFSTAGEDESCRIPTION
DT5658283S25658283STAGE 2New Cylinder Head, Cummins ISX DOHC Stage 2
DT5658283S35658283STAGE 3New Cylinder Head, Cummins ISX DOHC Stage 3
ISX15/X15 Cylinder Head

ISX15 / X15 CYLINDER HEADS

CUMMINS ISX15/X15 | CM2250 • CM2350 • CM2450 | 2010-PRESENT

Applied Engine Prefixes: —

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.

DTECH PART #OEM REFSTAGEDESCRIPTION
DT5658294S25658294STAGE 2New Cylinder Head, Cummins ISX SOHC Stage 2
DT5658294S35658294STAGE 3New Cylinder Head, Cummins ISX SOHC Stage 3
D13/MP8 Cylinder Head

D13 / MP8 CYLINDER HEAD

VOLVO D13 / MACK MP8 | EPA07/10/14/17 | 2005-PRESENT

Applied Engine Prefixes: —

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 REFSTAGEDESCRIPTION
DT23491393S223491393STAGE 2New Cylinder Head, Volvo Mack D13MP8 EPA10 Stage 2
DT23491393S323491393STAGE 3New Cylinder Head, Volvo Mack D13MP8 EPA10 Stage 3
DT22797841S222797841STAGE 2New Cyl Head, Volvo Mack D13/MP8 EPA14/17 Stg 2
DT22797841S322797841STAGE 3New Cyl Head, Volvo Mack D13/MP8 EPA14/17 Stg 3
S60 Cylinder Head

S60 CYLINDER HEAD

DETROIT DIESEL S60 | 11.1L / 12.7L NON-EGR / 14L EGR | 1998-2003

Applied Engine Prefixes: —

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.

DTECH PART #OEM REFSTAGEDESCRIPTION
DT23525566S123525566STAGE 1New Cylinder Head, Detroit S60 Stage 1
DT23538858S223538858STAGE 2New Cylinder Head, Detroit S60 Stage 2
DD15/DD16 Cylinder Head

DD15 / DD16 CYLINDER HEAD

DETROIT DIESEL DD15/DD16 | OM472 • OM473

Applied Engine Prefixes: —

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 REFSTAGEDESCRIPTION
DTEA4730105020S3EA4730105020STAGE 3New Cylinder Head, Detroit DD15 Stage 3
PACCAR MX-13 Cylinder Head

PACCAR MX-13 CYLINDER HEAD

PACCAR MX-13 | EPA13 / EPA17

Applied Engine Prefixes: —

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.

DTECH PART #OEM REFSTAGEDESCRIPTION
DT2396047S32396047STAGE 3New Cylinder Head, PACCAR MX-13 EPA13 Stage 3
DT2188417S32188417STAGE 3New Cylinder Head, PACCAR MX-13 EPA17 Stage 3
WHY DTECH

THE SMART CHOICE
FOR THE TRADE.

QUALITY YOU CAN TRUST.

DTech delivers 100% end-of-line tested diesel components backed by Alliant Power’s engineering standards – precision-built for the professional who demands quality without the OE premium.

ENGINEERED FOR UPTIME
Designed to maximize diesel uptime. Parts that perform in the field, not just on paper.
1-YEAR WARRANTY
Every DTech SKU backed by a full 1-year warranty. We stand behind every part we make.
FULL PLATFORM COVERAGE
Comprehensive coverage across 8 major diesel platforms – light, medium, and heavy-duty.
THE BACKING

BACKED BY

DTech is not just a parts brand. It is backed by Alliant Power’s 65 years of diesel engineering excellence – the same engineering authority, testing rigor, and industry knowledge that defines the diesel aftermarket standard.

When you choose DTech, you are choosing a part that has been engineered, tested, and validated by the same team that sets the standard for the entire diesel aftermarket.

65
YEARS OF
DIESEL ENGINEERING
8
MAJOR DIESEL
PLATFORMS
2004
DTECH
ESTABLISHED

DTECH: QUALITY YOU CAN TRUST

QUALITY YOU CAN TRUST – STRONGER THAN BEFORE
BETTER PARTS.
BETTER VALUE.

DTech diesel components covering every major diesel platform.
Backed by Alliant Power’s 65 years of diesel engineering.

Quality You Can Trust. Backed by Alliant Power.

EXPLORE PRODUCTS → WHY DTECH
PRODUCT RANGE

EVERY PLATFORM.

ONE STANDARD.

Comprehensive diesel fuel system coverage across every major platform — light, medium, and heavy-duty applications.

Caterpillar Applications
Cummins Applications
Detroit Diesel Applications
Ford/Navistar Applications
GM Applications
John Deere Applications
PACCAR & Sprinter Applications
BETTER PARTS. BETTER VALUE.

DTECH
CYLINDER HEAD PROGRAM.

Quality you can trust. Stronger than before.

Full coverage across Caterpillar, Cummins, Detroit Diesel, Volvo/Mack, and PACCAR — engineered for the demands of heavy-duty diesel.

Advanced Alloys
Inconel valve options for extreme heat resistance
Multi-Stage Performance
Stage 1, 2, and 3 configurations for every application
18 PART NUMBERS
5 ENGINE FAMILIES
3 PERFORMANCE STAGES
20+ YEARS OF DTECH TRUST
CATERPILLAR • CUMMINS • DETROIT DIESEL • VOLVO/MACK • PACCAR
PERFORMANCE TIERS

THREE STAGES.
EVERY APPLICATION.

Match the head to the application. DTech’s three-tier system lets fleet managers and engine builders choose the exact performance level their operation demands.

STAGE 1
ECONOMIC
EE
Standard Replacement

Reliable, cost-conscious performance for standard replacement applications. Direct-fit precision with the quality and fitment you expect from DTech.

  • Standard replacement valves
  • Direct-fit across all supported engine families
  • Ideal for cost-conscious fleet replacements
  • Backed by Alliant Power
STAGE 2
EXCELLENT
EH / HE
Inconel Valve Upgrade

Improved heat resistance for demanding duty cycles. Inconel intake or exhaust valve upgrade provides extended service life in high-temperature environments.

  • Inconel intake or exhaust valve upgrade
  • Improved heat resistance for demanding cycles
  • Extended valve service life
  • Backed by Alliant Power
STAGE 3
ENHANCED PERFORMANCE
HH
Full Inconel Build

Built for the most severe operating conditions. Full Inconel intake and exhaust valves deliver 1.8× the tensile strength of standard valves for maximum durability.

  • Full Inconel intake & exhaust valves
  • 1.8× tensile strength vs. standard valves
  • Built for severe duty and high-output engines
  • Maximum durability and service interval
ENGINE COVERAGE

FULL COVERAGE.
EVERY PLATFORM.

Select your engine family below to view specifications, applied prefixes, and key engineering upgrades.

C15 Cylinder Head

C15 UNIVERSAL CYLINDER HEAD

CATERPILLAR | 3406E • C15 • C15 ACERT

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.

DTECH PART #OEM REFSTAGEDESCRIPTION
DT2635055S12635055STAGE 1New Cylinder Head, CAT C15 Loaded, Stage 1
DT2635055S22635055STAGE 2New Cylinder Head, CAT C15 Uni, w/ Plug Stage 2
DT2635055S32635055STAGE 3New Cylinder Head, CAT C15 Universal Stage 3
3406B/C Cylinder Head

3406B/C CYLINDER HEAD

CATERPILLAR | 3406B/C

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 REFSTAGEDESCRIPTION
DT0R3719S10R3719STAGE 1New Cylinder Head, CAT 3406B/C Stand Valve Stage 1
ISX DOHC Cylinder Head

ISX DOHC CYLINDER HEAD

CUMMINS ISX | CM570 • CM870 • CM871 | 1998-2010

Applied Engine Prefixes: —

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.

DTECH PART #OEM REFSTAGEDESCRIPTION
DT5658283S25658283STAGE 2New Cylinder Head, Cummins ISX DOHC Stage 2
DT5658283S35658283STAGE 3New Cylinder Head, Cummins ISX DOHC Stage 3
ISX15/X15 Cylinder Head

ISX15 / X15 CYLINDER HEADS

CUMMINS ISX15/X15 | CM2250 • CM2350 • CM2450 | 2010-PRESENT

Applied Engine Prefixes: —

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.

DTECH PART #OEM REFSTAGEDESCRIPTION
DT5658294S25658294STAGE 2New Cylinder Head, Cummins ISX SOHC Stage 2
DT5658294S35658294STAGE 3New Cylinder Head, Cummins ISX SOHC Stage 3
D13/MP8 Cylinder Head

D13 / MP8 CYLINDER HEAD

VOLVO D13 / MACK MP8 | EPA07/10/14/17 | 2005-PRESENT

Applied Engine Prefixes: —

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 REFSTAGEDESCRIPTION
DT23491393S223491393STAGE 2New Cylinder Head, Volvo Mack D13MP8 EPA10 Stage 2
DT23491393S323491393STAGE 3New Cylinder Head, Volvo Mack D13MP8 EPA10 Stage 3
DT22797841S222797841STAGE 2New Cyl Head, Volvo Mack D13/MP8 EPA14/17 Stg 2
DT22797841S322797841STAGE 3New Cyl Head, Volvo Mack D13/MP8 EPA14/17 Stg 3
S60 Cylinder Head

S60 CYLINDER HEAD

DETROIT DIESEL S60 | 11.1L / 12.7L NON-EGR / 14L EGR | 1998-2003

Applied Engine Prefixes: —

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.

DTECH PART #OEM REFSTAGEDESCRIPTION
DT23525566S123525566STAGE 1New Cylinder Head, Detroit S60 Stage 1
DT23538858S223538858STAGE 2New Cylinder Head, Detroit S60 Stage 2
DD15/DD16 Cylinder Head

DD15 / DD16 CYLINDER HEAD

DETROIT DIESEL DD15/DD16 | OM472 • OM473

Applied Engine Prefixes: —

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 REFSTAGEDESCRIPTION
DTEA4730105020S3EA4730105020STAGE 3New Cylinder Head, Detroit DD15 Stage 3
PACCAR MX-13 Cylinder Head

PACCAR MX-13 CYLINDER HEAD

PACCAR MX-13 | EPA13 / EPA17

Applied Engine Prefixes: —

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.

DTECH PART #OEM REFSTAGEDESCRIPTION
DT2396047S32396047STAGE 3New Cylinder Head, PACCAR MX-13 EPA13 Stage 3
DT2188417S32188417STAGE 3New Cylinder Head, PACCAR MX-13 EPA17 Stage 3
WHY DTECH

THE SMART CHOICE
FOR THE TRADE.

QUALITY YOU CAN TRUST.

DTech delivers 100% end-of-line tested diesel components backed by Alliant Power’s engineering standards – precision-built for the professional who demands quality without the OE premium.

ENGINEERED FOR UPTIME
Designed to maximize diesel uptime. Parts that perform in the field, not just on paper.
1-YEAR WARRANTY
Every DTech SKU backed by a full 1-year warranty. We stand behind every part we make.
FULL PLATFORM COVERAGE
Comprehensive coverage across 8 major diesel platforms – light, medium, and heavy-duty.
THE BACKING

BACKED BY

DTech is not just a parts brand. It is backed by Alliant Power’s 65 years of diesel engineering excellence – the same engineering authority, testing rigor, and industry knowledge that defines the diesel aftermarket standard.

When you choose DTech, you are choosing a part that has been engineered, tested, and validated by the same team that sets the standard for the entire diesel aftermarket.

65
YEARS OF
DIESEL ENGINEERING
8
MAJOR DIESEL
PLATFORMS
2004
DTECH
ESTABLISHED