PUMP-YM 3747502 - Caterpillar

3747502 PUMP-YM Caterpillar parts

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Alternative (cross code) number:
CA3747502
374-7502
3747502

Weight: 20 pounds 9 kg.

Buy PUMP-YM 3747502 Caterpillar genuine, new aftermarket tractor parts with delivery

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1614111 PUMP-YM 3747502 CL

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IMIFAFTAbT 161-4111 0R-9448 374-7502 Oil pump Fits for Caterpillar 3406 Engine 621F 623F 627B 627F 623E 623F Tractor 980C 980F 980G Loader

$405.00

02 Nov 2025

CN: ziwangcjx

IMIFAFTAbT 161-4111 0R-9448 374-7502 Oil pump Fits for Caterpillar 3406 Engine 621F 623F 627B 627F 623E 623F Tractor 980C 980F 980G Loader
IMIFAFTAbT Product Name: 161-4111 0R-9448 374-7502 Oil pump || Part number: 161-4111 0R-9448 374-7502 || Fits for Caterpillar 3406 Engine 621F 623F 627B 627F 623E 623F Tractor 980C 980F 980G Loader || 1 PCS Oil pump || Note: Please confirm that the product shown in the part number is what you need If you cannot confirm you can provide your engine serial number and nameplate

Oil pump 161-4111 0R-9448 374-7502 Fits for CAT 3406 Engine 621F 623F 627B 627F 623E 623F Tractor 980C 980F 980G Loader

$420.00

02 Nov 2025

CN: ShuYun-Store

Oil pump 161-4111 0R-9448 374-7502 Fits for CAT 3406 Engine 621F 623F 627B 627F 623E 623F Tractor 980C 980F 980G Loader
ZJSYPXB ⚙️ Part Name : Oil pump || ⚙️ Part Number : 161-4111 0R-9448 374-7502 1614111 0R9448 3747502 || ⚙️ Application : Fits for CAT 3406 Engine 621F 623F 627B 627F 623E 623F Tractor 980C 980F 980G Loader || ⚙️ Accurate ⚙️ -Install and use our accessories. Please find the right product according to the old part number and machine model, if you are not sure, please contact us in time, we are more than happy to provide services. || ⚙️ Reliable performance ⚙️ -Carefully designed and tested, with high reliability and stability, can maintain good working condition for a long time.

Oil pump 161-4111 0R-9448 374-7502 Compatible for CAT 3406 Engine 621F 623F 627B 627F 623E 623F Tractor 980C 980F 980G Loader

$402.00

02 Nov 2025

CN: QX construction

Oil pump 161-4111 0R-9448 374-7502 Compatible for CAT 3406 Engine 621F 623F 627B 627F 623E 623F Tractor 980C 980F 980G Loader
DJCXYSM Product Name:Oil pump || Product Number:161-4111 0R-9448 374-7502 || Application:Compatible for CAT 3406 Engine 621F 623F 627B 627F 623E 623F Tractor 980C 980F 980G Loader || NOTE: To avoid unnecessary returns please check the part number before purchasing or tell us the picture of your engine model and nameplate to reduce the error rate. || TIP: If you cannot find the required product part number, please consult us and we will reply as soon as possible.

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Information:

Illustration 111 g00758650
Left side view
Use the following components to secure 186-6189 Refrigerant Accumulator (18) to 136-7220 Bracket (19) : 128-5924 Clamp (20), 8R-3393 Strap (21), two 4L-6454 Bolts (11) and two 8T-2561 Hard Washers (22) .
Remove two bolts (D) and the washers from the right side of the aftercooler. Discard the washers. Use two 5P-4116 Hard Washers (16) to secure the bracket and the accumulator to the aftercooler. Reinstall two bolts (D) to the aftercooler.
Connect 156-4679 Hose As (14) with 9X-7383 O-Ring Seal (23) to the bottom of the accumulator.
Connect hose (E) with 9X-7383 O-Ring Seal (23) to the top of the accumulator.
Illustration 112 g00758652
Left side view
Remove bolt (F) and the washers from the left side of the aftercooler. Discard the hardware. Use the following components to secure 3E-3535 In-Line Refrigerant Dryer (24) to the aftercooler: 109-1633 Clip (25), 109-1634 Clip (26), 8T-2502 Bolt (27), one 5P-1075 Hard Washers (10), 9V-2500 Bracket (28), 1B-4971 Spacer (29), 7X-0274 Bolt (30) and 5P-4116 Hard Washer (16) .
Connect 156-4676 Hose As (4) to the front of 3E-3535 In-Line Refrigerant Dryer (24).
Install 116-6202 Boot (12) and 103-6100 Quick Coupler (13) with 9X-7380 O-Ring Seal (5) to the end of hose (G). Connect hose (G) to the rear of 3E-3535 In-Line Refrigerant Dryer (24) .
Remove two bolts (H) and the washers from the top of the aftercooler. Use two 9M-8406 Clips (6) to secure hose (G) to the aftercooler. Reinstall bolts (H) to the aftercooler.
Illustration 113 g00758653
Left side view
Locate the engine wiring harness. Connect the wiring harness to 106-8704 Arc Suppressor (31). Secure 106-8704 Arc Suppressor (31) to the clipon the left rear of the compressor with 3S-2093 Cable Strap (32). Secure the wiring from 106-8704 Arc Suppressor (31) with 9X-6772 Cable Strap (33) .
Connect the engine wiring harness to the pressure switch. Secure the wiring for the pressure switch to the clip with 9X-6772 Cable Strap (33). Secure the electrical connection to the bracket with 9G-9150 Clip (34), 5M-3062 Bolt (35), and 8T-4896 Hard Washer (8) .
Connect the engine wiring harness to the compressor clutch coil. Secure the connection to the clip near the front of the compressor.Final Inspection, Charging, and Performance Checks
Table 14
Required Parts
Item Qty Part Number Description
1 1 110-6393 Instruction Plate
Perform a visual inspection of all of the components. Make sure that all of the connections are secure. Make sure that all of the fasteners are tightened. Make sure that none of the hoses are kinked.
Evacuate the system for 60 minutes. Charge the air conditioning system. The correct charge is 1.6 kg (3.5 lb). Refer to the Service Manual, SENR5664, "Air Conditioning and Heating Systems with R-134a Refrigerant" for the correct procedure. Refer to Service Manual, NEGD5056, "Air Conditioning Tools".
Illustration 114 g00757738
Install cover