Replacement Integral Seal Gasket Set for Detroit Diesel ® 149 Applications OEM Cross References: 23522737 Superseded/Alternate Numbers: A-23504895

What’s Included

Integral Seal Gasket Set for Detroit Diesel 149 Engine

Contents:

The HDKits 23522737 Integral Seal Gasket Set is a premium replacement solution for Detroit 149 Series two-stroke V12 engines. Built by Interstate-McBee to OE-level standards, this complete gasket set helps restore proper sealing, prevent coolant and oil leaks, and maintain compression for reliable engine performance in demanding applications.

Key Features & Benefits:

• Direct fit for Detroit 149 Series engines – engineered specifically for the 149 Series two-stroke V-configuration.

• High-quality materials – designed to withstand high temperatures, pressure, and harsh operating conditions.

• Complete overhaul coverage – ships with the major gaskets and seals needed for engine rebuilds or top-end repairs (see kit contents for exact pieces).

• Improved reliability – helps prevent fluid leaks, loss of compression, and premature wear of internal components.

• Backed by Interstate-McBee warranty – supported by a comprehensive manufacturer’s warranty for added peace of mind.

Ideal For:

• Full engine rebuilds and overhauls

• In-frame repairs and major service work

• Fleet maintenance and heavy-duty industrial or marine applications where Detroit 149 Series engines are used

If you’re refreshing or rebuilding a Detroit 149 Series V12 engine, the HDKits 23522737 Integral Seal Gasket Set delivers the durability, fit, and performance you need from a trusted brand like Interstate-McBee, backed by HDKits’ diesel engine parts expertise.

OE Replacement: 23504895, 23522737

Application & Fitment

• Engine Make: Detroit
• Engine Model / Application: 149

Confirm the original part number and engine identification before ordering. Where applicable, also verify serial-number range, production year, piston style, bearing size or other configuration notes shown in the product information.

Part Numbers & Cross References

• OEM Cross Reference: 23522737
• Alternate / Superseded: A-23504895
• Interstate-McBee Reference: A-23522737

Need Help Confirming Fitment?

Use the engine model, serial number and original part number when checking compatibility. For kits and sets, review the complete component breakdown above before ordering because contents can vary by engine configuration.