1279885 Rebuild Kit-Pump Fits Caterpillar Models
1279885 Rebuild Kit-Pump Fits Caterpillar Models
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One New Aftermarket Replacement Water Pump Rebuild Kit for Caterpillar (Cat) 3400 Series Engines
This aftermarket water pump rebuild kit restores cooling system function on Caterpillar 3400-series diesel engines used across a wide range of heavy construction, mining, marine, and generator set applications. The kit services the engine water pump assembly and contains the seals, gaskets, and related hardware needed for a complete pump rebuild. Replaces OEM part number 1279885 (also formatted as 127-9885).
Specifications
- Weight: Approximately 4 lbs
- Package Dimensions: Approximately 7.87 x 7.87 x 3.15 in.
- For use with the 3400-series water pump assembly (ref. pump 1341487)
Compatible Models
Caterpillar Engine - Machine / Truck Engine: 3406A, 3406B, 3406C, 3408, 3408B, 3412, 3412C
Caterpillar Gas Engine: G3408, G3412, G3412C
Caterpillar Cold Planer / Road Equipment: PM565, PM565B, PR-1000, PR-450C
Note: Multiple serial number ranges are documented for 3406B (prefix 3ZJ) fitment. Verify your engine serial number prefix against your service manual before ordering to confirm correct kit application.
Replaces Part Number(s):
1279885, 127-9885
Aftermarket Interchange Numbers
M-1279885
New aftermarket replacement part - not remanufactured, not used.



