CAT 629-1147 DIESEL EXHAUST FLUID INJECTOR MOUNTING

The CAT 629-1147 is a Caterpillar diesel exhaust fluid injector mounting component used to secure the DEF injector in the correct position within compatible Cat aftertreatment systems.

Specifications

• Brand: Cat / Caterpillar
• Part Number: 629-1147
• Product Type: Diesel exhaust fluid injector mounting
• System: Engine exhaust / aftertreatment / clean emissions module components
• Material noted by Cat: Corrosion preventative fluid
• Fitment: Verify by serial number and aftertreatment configuration

Key Features

• Genuine Cat aftertreatment system part reference
• Supports correct DEF injector positioning
• Used in clean emissions module and diesel exhaust fluid service work
• Relevant for emissions system repair and maintenance
• Helps maintain proper hardware support around DEF injector installation

Typical Applications

• DEF injector mounting replacement
• Caterpillar aftertreatment service
• Clean emissions module repairs
• Heavy equipment emissions-system maintenance

Cross References

• Use CAT 629-1147 as the primary part reference.
• Frequently associated with DEF and aftertreatment service components, but alternate replacements must be verified separately.

Machine Compatibility

• Cat lists compatibility across multiple equipment families, including selected compactors, excavators, backhoe loaders, asphalt pavers, and C4.4 engine-machine applications.
• Public compatibility lists are broad; verify the exact machine serial number before purchase.

Engine Platforms

• C4.4 and related Cat machine aftertreatment applications where 629-1147 is specified.
• Also listed against selected F-series and compact equipment applications; confirm with Cat SIS or dealer lookup.

Important Fitment Note

For Caterpillar parts, final fitment should always be verified with the machine serial number, engine arrangement, and the current Cat parts manual. Condition, packaging, included hardware, and any installation accessories should be confirmed from the listing photos and notes before purchase.

Search Keywords

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