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SEAL 9Y1798 - Caterpillar


9Y1798 SEAL Caterpillar parts 120G, 12G, 12H, 12H ES, 12H NA, 130G, 140G, 140H, 140H ES, 140H NA, 143H, 14G, 14H NA, 160G, 160H, 160H ES, 160H NA, 163H NA, 1673C, 235, 235B, 3208, 330, 330 L, 3304, 3304B, 3306, 3306B, 3306C, 330B,...
Rating:
42
Alternative (cross code) number:
CA9Y1798
9Y-1798
9Y1798
Caterpillar 9Y1798 SEAL
Weight: 0.55 pounds 0 kg.

Buy SEAL 9Y1798 Caterpillar genuine, new aftermarket tractor parts with delivery
ARTICULATED TRUCK, WHEELED EXCAVATOR,

Related part:
9Y1798  SEAL-WATER-YM  3790165  CL

Compare Prices: .

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$18.06

28 Jul 2025

US: kraishop
BEAR FLAG EDITION for 9Y1798 - Seal (Water) 7N8025 4W8087 Fits Caterpillar (Fits CAT)
BEAR FLAG EDITION For 9Y1798 - SEAL (WATER) 7N8025 4W8087 Fits Caterpillar (Fits CAT) || Cylinder seal kit for Bobcat 543B, 553, 913, and 953 models, part number 6803272, ensures proper sealing for hydraulic cylinders. || High-quality kit designed to fit specific Bobcat machines, maintaining optimal performance and preventing hydraulic leaks. || Enhance Your Equipment’s Performance – Opt for Our Reliable Replacement Parts. || For a precise fit and inFor med choice, please thoroughly check the product's dimensions and inspect the provided photos.
$17.64

16 Jul 2025
1.0[0.45] pounds
US: RAParts Inc.
RAParts 9Y1798 New Seal Fits Caterpillar Fits CAT Industrial Construction Models
Reliable Aftermarket Parts One New Aftermarket Replacement Seal Fits Various Fits Caterpillar Industrial Construction Models. F || OEM Numbers Are Provided for Reference Only. Please Verify Fit Prior To Ordering. || Please Note: Some Listings Use Stock Images for Reference and May Differ from the Actual Product. || This Aftermarket Part Is Made to Meet or Exceed Manufacturer (OEM) Specifications. || All OEM part numbers and logos are to be used for identification purposes only.
$41.99

16 Jul 2025

US: Fincoss
9Y1798 - SEAL (WATER) 7N8025 4W8087 Fits Caterpillar (Fits CAT)
Generic Package included: 1x 9Y1798 - SEAL (WATER) 7N8025 4W8087 Fits Caterpillar (Fits CAT) as the picture . || High-Performance Efficiency: gineered for maximum efficiency, this product delivers exceptional performance without compromising on quality. It’s a versatile replacement suitable for various applications. || Identify the model: USE Ctrl + F to SEARCH your model number inside the Product Description. || Note: If you are not sure about the compatibility please contact us for advice. we will solve your problem within 24 hours || Note: If you are not sure about the compatibility please contact us for advice. we will solve your problem within 24 hours
Number on catalog scheme: 12
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9Y1798 Images:

Compatible equipment models: 9Y1798:

ARTICULATED TRUCK  D250B   D250E   D250E II   D300E   D300E II  
CHALLENGER  65C  
ENGINE - MACHINE  3304  
GAS ENGINE  G3304   G3304B   G3306   G3306B  
GEN SET ENGINE  3304   3304B   3306   3306B  
GENERATOR SET  3304B   3306B   G3306  
INDUSTRIAL ENGINE  3208   3304   3306   3306B  
LANDFILL COMPACTOR  816F  
LOAD HAUL DUMP  R1300   R1300G  
MARINE ENGINE  3304   3304B   3306   3306B  
PETROLEUM GEN SET  G3306B  
PIPELAYER  572R  
SOIL COMPACTOR  815B   815F  
TRACK LOADER  963   973   973C  
TRACK SKIDDER  517   527   D4HTSK III   D5HTSK II  
TRUCK ENGINE  1673C   3208   3306   3306B   3306C   G3306  
VIBRATORY COMPACTOR  CB-534  
WHEEL DOZER  814B   814F  
WHEEL SCRAPER  615C   627B   627E   627G   637E   637G  
WHEEL SKIDDER  515   518C   525   528   528B   530B   545  
WHEEL TRACTOR  611   615   627E   627F  
WHEELED EXCAVATOR  W330B   Caterpillar

Information:

Assembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1P-0510 Driver Group 1
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g01113012
Use Tooling (A) to install inner lip seal (18) and outer lip seal (17) into bracket (16). Lubricate the lip seals with clean engine oil. Note: If the bearings in bracket (16) are damaged, the bracket must be replaced. The bearings are nonserviceable separately.
Illustration 2 g01113004
Install terminal bushings (15) in casing (14). Install the O-ring seal in casing (14). Install casing (14) onto bracket (16).
Install idler gear (12) and drive shaft (13) into casing (14).
Illustration 3 g01113073Note: If the bearings in plate (9) are damaged, the plate must be replaced. The bearings are nonserviceable separately.
Install the O-ring seal into the side of the plate that is opposite of gasket (10). Install plate (9). Install gasket (10).
Illustration 4 g01112998
Use Tooling (A) to install check valve (11) into head (8).
Illustration 5 g01112994
Install head (8) onto plate (9).
Install bolts (7).
Illustration 6 g01112986
Personal injury can result from parts and/or covers under spring pressure.Spring force will be released when covers are removed.Be prepared to hold spring loaded covers as the bolts are loosened.
Install poppet valve (3), spring (4), washer (5), and cap (6).
Install O-ring seal (2).
Install drive coupling (1). End By:
Install the fuel transfer pump. Refer to Disassembly and Assembly, "Fuel Transfer Pump - Install".

Cat SIS web machinery list:

Caterpillar parts catalog
3306B Truck Engine 5KD00001-UP
3306 Truck Engine 76R02779-UP
G3304 ENGINE 37Y00001-UP
3208 Industrial Engine Naturally Aspirated 90N52893-UP
3304 Industrial Engine 10E00300-UP
3304 Marine Engine 13E00300-UP
3306 Generator Set 85Z00001-03763
3306 Marine Engine 84Z00001-UP
3306B Industrial Engine 7JB00001-UP
3304 Industrial Engine 4XB00001-UP
3306 Truck Engine 63Z00001-22741
3208 Truck Engine 51Z55824-UP
3306 Industrial Engine 66D49919-UP
3306 Industrial Engine 64Z05381-UP
3306C Truck Engine 7RJ00001-UP
3306 Generator Set 85Z03764-UP
3306B(XQ200) Rental Generator Set 8JJ00001-UP
3304B(XQ125) Rental Generator Set 9HK00001-UP
3304 Industrial Engine 02B17737-UP
3306B Truck Engine 63Z22742-UP
3304B Generator Set 83Z03096-UP
3306C Truck Engine 9TL00001-UP
3304 Industrial Engine 04B26769-UP
3306B Marine Engine 9SL00001-UP
3304B Marine Engine 8XL00001-UP
G3306 TRUCK ENGINE 4DL00001-UP
G3306 ENGINE 07Y04279-UP
3304B Marine Auxiliary & Generator Set Engine 1NS00001-UP POWERED BY 3304B Engine
3306B Marine Auxiliary & Generator Set Engine 1RS00001-UP
3304B Marine Auxiliary & Generator Set 1PS00001-UP
3306B Generator Set 9NR00001-UP
3306C Truck Engine 3KS00001-UP
3306B Generator Set Engine 9DS00001-UP
3306C Truck Engine 2AZ00001-UP
3306 Generator Set 8NS00001-UP
3306B Industrial Engine 5GZ00001-UP
3306 Industrial Engine 23C02002-UP
3306 Industrial Engine 1BM00001-UP
G3306 Generator Set CNR00001-UP
3304B(XQ125) Rental Generator Set DED00001-UP
3306B(XQ200) Rental Generator Set EFA00001-UP
3306B Generator Set LRW00001-UP
3306B Generator Set B8D00001-UP
G3306 Generator Set JCA00001-UP
G3306 Gas Engine G6X00001-UP
G3304 Gas Engine N4F00001-UP
120G Motor Grader 11W01251-UP (MACHINE) POWERED BY 3304 Engine
140G Motor Grader 13W00741-00992 (MACHINE) POWERED BY 3306 Engine
3208 Industrial Engine Naturally Aspirated 90N52893-UP
815B Soil Compactor 17Z00001-UP (MACHINE) POWERED BY 3306 Engine
140G Motor Grader 72V10334-UP (MACHINE) POWERED BY 3306 Engine
120G Motor Grader 87V08360-UP (MACHINE) POWERED BY 3304 Engine
12G Motor Grader 61M12027-UP (MACHINE) POWERED BY 3306 Engine
14G Motor Grader 96U07046-UP (MACHINE) POWERED BY 3306 Engine
130G Motor Grader 74V02321-UP (MACHINE) POWERED BY 3304 Engine
120G Motor Grader 4HD00001-UP (MACHINE) POWERED BY 3304 Engine
140G Motor Grader 5MD00001-UP (MACHINE) POWERED BY 3306 Engine
12G Motor Grader 3WC01067-UP (MACHINE) POWERED BY 3306 Engine
160G Motor Grader 4JD00141-UP (MACHINE) POWERED BY 3306 Engine
D5H Track-Type Skidder Series II 7EG00001-UP (MACHINE) POWERED BY 3304 Engine
3306 Industrial Engine 64Z05381-UP
D4H Series III Track-Type Skidder 7PK00001-UP (MACHINE) POWERED BY 3304 Engine
12G Motor Grader 3PL00001-UP (MACHINE) POWERED BY 3306 Engine
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
D250E Articulated Truck 5TN00001-UP (MACHINE) POWERED BY 3306 Engine
815F Soil Compactor 1GN00001-UP (MACHINE) POWERED BY 3306 Engine
816F COMPACTOR 5FN00001-UP (MACHINE)
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
Challenger 65D Agricultural Tractor 2ZJ01965-UP (MACHINE) POWERED BY 3306 Engine
D300E Articulated Truck 7FN00001-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


Parts seal Caterpillar catalog:

0931347 SEAL-O-RING
328D LCR, 345B II, 345B L, 345C, 345C L, 345D L, 349E L, 349E L VG, 349F L, 350, 365B, 365B II, 365B L, E650
1132073 SEAL-O-RING
345B II, 345B L, 350, 365B, 365B II, 365B L
0951694 SEAL-O-RING
330, 330 FM L, 330 L, 330B, 330B L, E120B, W330B
1307114 SEAL-O-RING
330B, 330B L, 345B, 345B L, W330B
1289270 SEAL-U-CUP
330B, 330B L, 330C L, 330D, 330D L, 336D
1336814 SEAL-LIP TYPE
330B, 330B L, 330C L, 330D, 330D L, 336D
0931379 SEAL, DUST
345B II, 345C, E120, E140, E180, E240, E240C, E300, E300B, E450, EL240B
3S5496 SEAL-O-RING
120G, 12G, 12H, 12H ES, 12H NA, 130G, 140G, 140H, 140H ES, 140H NA, 143H, 14G, 14H NA, 16, 160G, 160H, 160H ES, 160H NA, 163H NA, 1673C, 1674, 1676, 1693, 16G, 16H NA, 215, 215B, 215C, 225, 235, 235B,...
5S6670 SEAL-O-RING
120B, 120G, 12F, 12G, 12H, 12H ES, 12H NA, 130G, 140B, 140G, 140H, 140H ES, 140H NA, 143H, 14E, 14G, 14H NA, 160G, 160H, 160H ES, 160H NA, 163H NA, 1673C, 1674, 215, 235, 235B, 235C, 330, 330 FM L, 33...
3L6768 SEAL-O-RING
1673C, 1693, 16G, 245, 3176, 3176B, 3176C, 3196, 3208, 3306, 3306C, 3406, 3406B, 3406C, 3406E, 3408, 3408C, 3408E, 3412, 3456, 613, 621E, 623F, 651E, 657E, 7155, 772B, 773B, 776, 785, 824C, 980B, 980C...
1331247 SEAL-VALVE COVER
12G, 12H, 12H ES, 12H NA, 140G, 140H, 140H ES, 140H NA, 143H, 14G, 14H NA, 160G, 160H, 160H ES, 160H NA, 163H NA, 1673C, 235B, 3208, 330, 330 FM L, 330 L, 3306, 3306B, 3306C, 330B L, 350, 528B, 530B, ...
5F3106 SEAL-O-RING
1090, 1150, 1160, 1190, 1190T, 120, 120B, 120G, 120M, 1290T, 12E, 12F, 12G, 12H, 12H ES, 12H NA, 130G, 1390, 140, 140B, 140G, 140H, 140H ES, 140H NA, 141, 143H, 14E, 14G, 14H NA, 153, 16, 160G, 160H, ...
5L3617 SEAL-RUBBER
3306, 3306B, 3406, 3406B, 3406C, 3406E, 3408, 3412, 3456, C-15, C-16, C-9, C11, C13, C15, C18, C9, C9.3, CX31-C15I, CX31-C18I, CX31-C9I, CX35-C18I, CX35-P800, D343, G3306, G3406, G343, G353D, TH31-E61...
8L2786 SEAL-O-RING
214B, 216, 235B, 308E SR, 3114, 3116, 3126, 3126B, 3126E, 312D, 313D, 315D L, 3176, 3176B, 3176C, 318D L, 3196, 319D L, 3208, 3304, 3306, 3306B, 3306C, 3406, 3406B, 3406C, 3406E, 3408, 3408B, 3408C, 3...
0619458 SEAL-O-RING
12G, 12H, 12H ES, 12H NA, 140G, 140H, 140H ES, 140H NA, 143H, 14H, 14H NA, 14M, 160H, 160H ES, 160H NA, 163H, 163H NA, 16M, 235B, 3126, 3176, 3176B, 3176C, 3196, 330, 3304, 3304B, 3306, 3306B, 3306C, ...
6F4718 SEAL-O-RING
1090, 1190, 1190T, 1290T, 1390, 140H, 143H, 14G, 14H NA, 16, 160H, 160H ES, 160H NA, 163H NA, 16G, 183, 216B3, 225, 226B3, 227, 229, 2290, 231D, 235, 235B, 235C, 235D, 236B3, 236D, 2390, 2391, 242B3, ...
8N0498 SEAL-FACE
140H, 143H, 14H NA, 160H, 160H ES, 160H NA, 163H NA, 235B, 235C, 330, 3306, 3306B, 3306C, 330B, 330B L, 350, 515, 517, 525, 527, 545, 572R, 611, 615C, 627B, 627E, 627F, 627G, 637D, 637E, 637G, 65C, 81...
4W8087 SEAL
120B, 120G, 12G, 140B, 140G, 215, 215B, 215C, 235, 3304, 3304B, 3306, 3306B, 637E, 815B, 930, 950B, 963, 966D, 973, D25C, D300B, D30C, D350C, D35C, D4E, D6H, D7H, G3304, G3306, G936
7N8018 SEAL
120B, 120G, 12G, 12H, 12H ES, 12H NA, 130G, 140B, 140G, 140H, 140H ES, 140H NA, 143H, 14G, 14H NA, 160G, 160H, 160H ES, 160H NA, 163H NA, 1673C, 215, 215B, 215C, 225, 235, 235B, 3208, 330, 330 L, 3304...
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