AVSPARE.COM
parts catalog

PUMP GP-WATER 1063926 - Caterpillar


1063926 PUMP GP-WATER Caterpillar parts 12H, 12H ES, 12H NA, 140G, 140H, 140H ES, 140H NA, 143H, 14H NA, 160H, 160H ES, 160H NA, 163H NA
Rating:
28
Alternative (cross code) number:
CA1063926
106-3926
1063926
Caterpillar 1063926 PUMP GP-WATER
Weight: 32 pounds 14 kg.

Buy PUMP GP-WATER 1063926 Caterpillar genuine, new aftermarket tractor parts with delivery
MOTOR GRADER,

Compare Prices: .

As an associate, we earn commssions on qualifying purchases through the links below
$36.99

05 Jul 2025

US: Work House Sign
Music Starts Here Black Sign Arrow Down Aluminum Composite Sign 20 x 24 inches
Work House Signs Enhance Safety & Organization Anywhere – Perfect for offices, warehouses, schools, and more! These black directional arrow signs clearly mark important areas to improve safety and maintain a neat, professional space. || Available in 3 Versatile Sizes – Choose from multiple sizes to fit your specific needs. Whether it’s a tight corner or a large wall, these signs adapt easily to any space or setting. || Built to Last Indoors & Outdoors – Crafted from premium aluminum composite, our signs are weather-resistant, fade-proof, and durable enough to handle tough environments year-round. || Flexible, Easy-to-Mount Design – Comes with no pre-drilled holes, giving you the freedom to drill where needed. Compatible with screws, adhesives, or zip ties depending on your surface. || Proudly Made in the USA – Designed, printed, and assembled by our dedicated small business team in Pennsylvania. Quality craftsmanship and fast, friendly support you can trust.
$381.15
 

10 Aug 2020
38.0[17.10] Pounds
-: -
Made to fit 1063926 Water Pump 1063926, 1727762, 106-3926, 172-7762 CATNEW Aftermarket
1063926 Made to fit CAT (1063926 Caterpillar) || Meets OEM Specs for Fit and Performance || This is a new item 1063926 Water Pump 1063926, 1727762, 106-3926, 172-7762 || Items are sold by part number only. Picture is for illustration purposes and the part or parts may be different in color or quantity. || Use of any OEM manufacturer name is not intended to represent any relationship between the two companies, instead it indicates that we sell replacement parts that are compatible with OEM components.
Number on catalog scheme: 1
  For full view, you need register

Compatible equipment models: 1063926:

Information:

3406, 3406B EnginesSUPPLEMENT: 07-00-90ENGINE NEWS, MARCH 1990, PAGE 1, "Improvements Made To Water Pumps; New Groups/Parts Available For Certain Applications" for 3406, 3406B Engines.Add the following to this article: The 9Y5647 Water Pump Group will NOT be serviced. Instead, the 9Y5646 Water Pump Group, 9Y5652 Adapter and 9M3786, 4K6804, 4F7387 Seals are required.
--------------- END SUPPLEMENT ---------------A new nonmetallic impeller is used in the water pump groups. The hub of the impeller is chamfered to allow more phenolic impeller material (black or brown plastic) to surround the metal drive splines. See Illustrations 1 and 2. This helps eliminate early hour cure cracking, and reduces bond separation in extreme service applications. The part numbers of the improved water pump groups with nonmetallic impeller have not changed. The new 7C5479 Impeller (nonmetallic) is a direct replacement for the former 5N7438 Impeller which has been canceled. A larger 4M0347 Washer (3) may be substituted in the field for the standard 9M6527 Washer to improve the clamping load on the nonmetallic material of the 7C5479 Impeller. See Illustration 3.
Illustration 1. Comparison of former (left) and new (right) nonmetallic impellers.
Illustration 2. New nonmetallic impeller with chamfered hub.A new 9Y5647 Water Pump Group is available that uses a 9Y5652 Adapter (cast iron) and 9Y5646 Pump Group. See Illustration 3. This adapter (1) may reduce cavitation erosion when the recommended ethyleneglycol mixture is not used in the cooling system. Coolant conditioner MUST always be used in the 3400 Family of Engines.
The new 9Y5646 Water Pump Group has a cast iron impeller (2). The 9Y5651 Impeller (cast iron) can be used in extreme load applications. The cast iron impeller is a solid iron casting which would eliminate hub separation as a possible problem.
The 9Y5652 Cast Iron Adapter is not compatible with the 7C5479 Impeller because of possible vane to adapter interference.
Illustration 3. Location of cast iron impeller and adapter.The new 9Y5647 and 9Y5646 Water Pump Groups are available for parts service. The 9Y5646 Water Pump Group is available as remanufactured 0R2856 Water Pump Group.

Caterpillar SIS machinery equipment:

Caterpillar SIS
140H NA Motor Grader 2ZK00001-UP (MACHINE) POWERED BY 3306 Engine » 106-3926 PUMP GP-WATER
143H Motor Grader 1AL00001-UP (MACHINE) POWERED BY 3306 Engine » 106-3926 PUMP GP-WATER
160H Motor Grader 9EJ00001-UP (MACHINE) POWERED BY 3306 Engine » 106-3926 PUMP GP-WATER
163H Motor Grader 5AK00001-UP (MACHINE) POWERED BY 3306 Engine » 106-3926 PUMP GP-WATER
12H Motor Grader 4XM00001-UP (MACHINE) POWERED BY 3306B Engine » 106-3926 PUMP GP-WATER
12H Motor Grader 2LR00001-UP (MACHINE) POWERED BY 3306 Engine » 106-3926 PUMP GP-WATER
14H Motor Grader 7WJ00001-UP (MACHINE) POWERED BY 3306 Engine » 106-3926 PUMP GP-WATER
140H Motor Grader 8KM00001-UP (MACHINE) POWERED BY 3306 Engine » 106-3926 PUMP GP-WATER
160H Motor Grader 6WM00001-UP (MACHINE) POWERED BY 3306 Engine » 106-3926 PUMP GP-WATER
12H Motor Grader 5ZM00001-UP (MACHINE) POWERED BY 3306 Engine » 106-3926 PUMP GP-WATER
140H Motor Grader 8JM00001-UP (MACHINE) POWERED BY 3306 Engine » 106-3926 PUMP GP-WATER
160H Motor Grader 9JM00001-UP (MACHINE) POWERED BY 3306 Engine » 106-3926 PUMP GP-WATER
140H Motor Grader 9TN00001-UP (MACHINE) POWERED BY 3306 Engine » 106-3926 PUMP GP-WATER
140H Motor Grader 5HM00001-UP (MACHINE) POWERED BY 3306B Engine » 106-3926 PUMP GP-WATER
160H Motor Grader 3GM00001-UP (MACHINE) POWERED BY 3306B Engine » 106-3926 PUMP GP-WATER
160H Motor Grader 2FM00001-UP (MACHINE) POWERED BY 3306 Engine » 106-3926 PUMP GP-WATER
12H Motor Grader 8MN00001-UP (MACHINE) POWERED BY 3306B Engine » 106-3926 PUMP GP-WATER
12H Motor Grader 4ER00001-UP (MACHINE) POWERED BY 3306 Engine » 106-3926 PUMP GP-WATER
12H NA Motor Grader 2WR00001-UP (MACHINE) POWERED BY 3306 Engine » 106-3926 PUMP GP-WATER
140H Motor Grader 9ZN00001-UP (MACHINE) POWERED BY 3306 Engine » 106-3926 PUMP GP-WATER
140H Motor Grader 3AS00001-UP (MACHINE) POWERED BY 3306 Engine » 106-3926 PUMP GP-WATER
160H Motor Grader 2HS00001-UP (MACHINE) POWERED BY 3306 Engine » 106-3926 PUMP GP-WATER
12H Motor Grader 2GS00001-UP (MACHINE) POWERED BY 3306 Engine » 106-3926 PUMP GP-WATER
140H Motor Grader 5HM00001-UP (MACHINE) POWERED BY 3306B Engine » 106-3926 PUMP GP-WATER
3306 DI Engine Emissions Retrofit Repower Tier I For 140G Motor Grader 72V00001-UP (MACHINE) » 106-3926 PUMP GP-WATER
3306 DI Engine Emissions Retrofit Repower Tier I For 140G Motor Grader 13W00001-UP (MACHINE) » 106-3926 PUMP GP-WATER
3306 Engine Rebuild Kit & Related Parts for 160H, 12H, 140H, 12G, 140G Motorgrader 2FM00001-UP (MACHINE) » 106-3926 PUMP GP-WATER

Caterpillar parts catalog:

Caterpillar parts catalog
140H NA Motor Grader 2ZK00001-UP (MACHINE) POWERED BY 3306 Engine
143H Motor Grader 1AL00001-UP (MACHINE) POWERED BY 3306 Engine
160H Motor Grader 9EJ00001-UP (MACHINE) POWERED BY 3306 Engine
163H Motor Grader 5AK00001-UP (MACHINE) POWERED BY 3306 Engine
12H Motor Grader 4XM00001-UP (MACHINE) POWERED BY 3306B Engine
12H Motor Grader 2LR00001-UP (MACHINE) POWERED BY 3306 Engine
14H Motor Grader 7WJ00001-UP (MACHINE) POWERED BY 3306 Engine
140H Motor Grader 8KM00001-UP (MACHINE) POWERED BY 3306 Engine
160H Motor Grader 6WM00001-UP (MACHINE) POWERED BY 3306 Engine
12H Motor Grader 5ZM00001-UP (MACHINE) POWERED BY 3306 Engine
140H Motor Grader 8JM00001-UP (MACHINE) POWERED BY 3306 Engine
160H Motor Grader 9JM00001-UP (MACHINE) POWERED BY 3306 Engine
140H Motor Grader 9TN00001-UP (MACHINE) POWERED BY 3306 Engine
140H Motor Grader 5HM00001-UP (MACHINE) POWERED BY 3306B Engine
160H Motor Grader 3GM00001-UP (MACHINE) POWERED BY 3306B Engine
160H Motor Grader 2FM00001-UP (MACHINE) POWERED BY 3306 Engine
12H Motor Grader 8MN00001-UP (MACHINE) POWERED BY 3306B Engine
12H Motor Grader 4ER00001-UP (MACHINE) POWERED BY 3306 Engine
12H NA Motor Grader 2WR00001-UP (MACHINE) POWERED BY 3306 Engine
140H Motor Grader 9ZN00001-UP (MACHINE) POWERED BY 3306 Engine
140H Motor Grader 3AS00001-UP (MACHINE) POWERED BY 3306 Engine
160H Motor Grader 2HS00001-UP (MACHINE) POWERED BY 3306 Engine
12H Motor Grader 2GS00001-UP (MACHINE) POWERED BY 3306 Engine
140H Motor Grader 5HM00001-UP (MACHINE) POWERED BY 3306B Engine
3306 DI Engine Emissions Retrofit Repower Tier I For 140G Motor Grader 72V00001-UP (MACHINE)
3306 DI Engine Emissions Retrofit Repower Tier I For 140G Motor Grader 13W00001-UP (MACHINE)
3306 Engine Rebuild Kit & Related Parts for 160H, 12H, 140H, 12G, 140G Motorgrader 2FM00001-UP (MACHINE)


Parts pump Caterpillar catalog:

4W2448 PUMP GP-ENGINE OIL
120G, 12G, 130G, 140G, 14G, 160G, 215B, 215C, 215D, 219D, 225, 225D, 229, 229D, 235, 235B, 235C, 3304, 3304B, 3306, 3306B, 518, 528, 561D, 571G, 572G, 615, 615C, 621E, 621R, 627B, 627E, 637D, 637E, 65...
4P9827 PUMP GP-FUEL INJECTION
12G, 12H, 12H ES, 12H NA, 140G, 140H, 140H ES, 140H NA, 143H, 14G, 14H NA, 160H, 160H ES, 160H NA, 163H NA, 235B, 330, 330 FM L, 330 L, 3306, 3306B, 3306C, 330B, 330B L, 350, 545, 572R, 611, 615C, 627...
1052508 PUMP AS-FUEL PRIMING
120G, 12G, 12H, 12H ES, 12H NA, 140H, 140H ES, 140H NA, 143H, 14H, 14H NA, 160H, 160H ES, 160H NA, 163H, 163H NA, 16G, 16H, 16H NA, 214B, 235, 3114, 3116, 3126, 3126B, 3126E, 3176, 3176B, 3176C, 3196,...
1375541 PUMP GP-FUEL PRIMING
120G, 12G, 130G, 140G, 140H, 143H, 14G, 14H, 160G, 160H, 163H, 1673C, 16H, 235B, 24H, 3116, 311C, 311D LRR, 3126, 3126B, 3126E, 312C, 312C L, 312D, 312D L, 313D, 314C, 314D CR, 314D LCR, 315C, 315D L,...
1898777 PUMP GP-ENGINE OIL
120H, 120H ES, 120H NA, 120K, 120K 2, 12K, 12M, 135H, 135H NA, 140G, 140K, 140K 2, 140M, 160K, 30/30, 3116, 3126, 3126B, 3126E, 320B, 322B L, 322B LN, 322C, 322C FM, 324D, 324D FM, 324D FM LL, 324D L,...
4N2511 PUMP ASSEM.
120G, 140B, 140G, 235, 245, 3406, 3412, 920, 930, 941, 966C, D35HP, D400, D4D, D5B, D6C, D6D
7T8891 PUMP AS-WASHER
120G, 120H, 120H ES, 120H NA, 120K, 120K 2, 12G, 12H, 12H ES, 12H NA, 12K, 130G, 135H, 135H NA, 140G, 140H, 140H ES, 140H NA, 140K, 140K 2, 143H, 14G, 14H, 14H NA, 160H, 160H ES, 160H NA, 160K, 163H, ...
0R0920 PUMP GP-ENGINE OIL
12H, 140G, 140H, 140H NA, 143H, 160H, 235B, 330, 330B L, 572R, 611, 615C, 627B, 627F, 815F, 966F, 966F II, 972G, D250E II, D6H, D6H XL, D6H XR, D6R, D7G, D7H, D7R
3E5470 PUMP AS-WASHER
120H ES, 120H NA, 12H ES, 12H NA, 130G, 135H NA, 140H, 140H ES, 140H NA, 143H, 14H NA, 160H ES, 160H NA, 163H NA, 16H NA, D7G
2223769 PUMP GP-METERING
120H, 120K, 120K 2, 12H, 12H NA, 12K, 135H, 140H, 140H NA, 140K, 140K 2, 143H, 160H, 160H NA, 160K, 163H
0R1005 PUMP GP-WATER
12H, 140G, 140H, 140H NA, 143H, 160H
1843955 PUMP GP-MAIN HYDRAULIC
330B, 330B L, 345B, 345B L
1537120 PUMP & MTG GP-PROPEL
CP-433E, CS-423E, CS-433E
9Y0509 PUMP GP-GOV & FUEL INJ
225, 227, 229, 3208, CB-614, CS-551, PS-500
2191964 PUMP GP-PISTON
769D, 770, 771D, 772, 773D, 773E, 773F, 775D, 775E, 775F
5C6600 PUMP GP-GEAR
215, 215B, 225, 229
3052936 PUMP & MTG GP-ALL WHEEL DRIVE
120M 2, 12M 2, 12M 3 AWD, 140M 2, 140M 3 AWD, 160M 2, 160M 3 AWD
Back to top
The names Cat, Caterpillar, John Deere, Komatsu, Volvo, Hitachi, Doosan, JCB, Hyundai or any other original equipment manufacturers are registered trademarks of the respective original equipment manufacturers. All names, descriptions, numbers and symbols are used for reference purposes only.
AVSpare.com is in no way associated with any of the manufacturers we have listed. All manufacturer's names and descriptions are for reference only. Cat® and Caterpillar® are registered trademarks of Caterpillar, Inc.