In StockEngine Water Pump 6684225 6653941 15521-73035 COMPATIBLE WITH Bobcat 643 645 743 783B 743D 751 751G 753
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For KubotaWater Pump

Water Pump 6653941 for Kubota B300

OEM / REF: 6653941SKU: pilotpart428427-01

Engine Water Pump 6684225 6653941 15521-73035 COMPATIBLE WITH Bobcat 643 645 743 783B 743D 751 751G 753 is a Water Pump replacement part indexed for Bobcat B300 and Bobcat BL370, with 3 application records on file. Match OEM part number 6653941 and confirm fitment for Kubota Engine Spare Parts before ordering.

Stock
In stock
Condition
New
Fitment
Kubota Engine Spare Parts
Category
Water Pump
  • Fitment support before you order
  • Worldwide delivery options

Water Pump Description

This Water Pump is indexed for Bobcat B300; Bobcat BL370; Bobcat 225; Bobcat 325. Compare reference number 6653941 against the label on your existing Kubota component before ordering.

Additional cross references on file: 6684225, 6685105, 25-37581-10. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Applications

  • Bobcat B300
  • Bobcat BL370
  • Bobcat 225
  • Bobcat 325
  • Bobcat 328
  • Bobcat 331
  • Bobcat 334
  • Bobcat 337
  • Bobcat 341
  • Bobcat 643
  • Bobcat 645
  • Bobcat 743
  • Bobcat 751
  • Bobcat 753
  • Bobcat 763
  • Bobcat 773
  • Bobcat 1600
  • Bobcat S150
  • Bobcat S160
  • Bobcat S175
  • Bobcat S185
  • Bobcat 783B
  • Bobcat 743D
  • Bobcat 743B
  • Bobcat 743DS
  • Bobcat 751G
  • Bobcat 753G
  • Bobcat 753L
  • Bobcat 773G
  • Bobcat 5600
  • Bobcat 7753
  • Carrier 8600
  • Carrier 1350
  • Carrier 1500
  • Carrier 1550
  • Carrier 1800
  • Carrier 1850
  • Carrier 1950
  • Carrier 2100
  • Carrier 6500
  • Carrier 6600
  • Carrier 7500
  • Carrier 8100
  • Carrier 8500
  • Carrier 1800MT
  • Carrier 1800TM
  • Carrier 1850MT
  • Carrier 1950MT
  • Carrier 2100A
  • Carrier 2100R
  • Carrier 2500A
  • Carrier 2500R
  • Carrier 2500R Europhoenix Phoenix Ultra
  • Carrier 6600 MT
  • Carrier 8600MT
  • Carrier Ultima XTC
  • Carrier Ultra XL
  • Carrier Ultra XT
  • Carrier XTC
  • Carrier XTX2 1800
  • Case 1838
  • Case 1838 SSL
  • Case 560
  • Caterpillar 303.5E
  • Caterpillar 304E
  • Caterpillar 305E
  • Caterpillar 305.5E
  • Caterpillar 901C
  • Caterpillar 902C
  • Caterpillar 903C
  • Kubota KH-60(H)
  • Kubota KH-66/H KCL
  • Kubota KH-90(H)
  • Kubota KH-91(H)
  • Kubota KH101
  • Kubota KH151
  • Kubota KX101
  • Kubota KX121
  • Kubota KX121-2
  • Kubota KX121-3
  • Kubota KX121-3S
  • Kubota KX121-3ST
  • Kubota KX151
  • Kubota KX161
  • Kubota KX161-2
  • Kubota KX161-3
  • Kubota KX91-3
  • Kubota KX91-3R1
  • Kubota KX91-3S
  • Kubota KX91-3S2
  • Kubota U35
  • Kubota U35S
  • Kubota U35-S2
  • Kubota U45S
  • Kubota U45ST
  • Kubota KJ-S130D
  • Kubota KJ-S130DX
  • Kubota KJ-S150V
  • Kubota KJ-S150VX
  • Kubota KJ-T210V
  • Kubota KJ-T210VX
  • Kubota KJ-S130DX-USA
  • Kubota KJ-S150VX-USA
  • Kubota KJ-T210VX-USA
  • Kubota SQ-1140-USA
  • Kubota SQ-1200-USA
  • Kubota SQ-3170-USA
  • Kubota SQ-3250-USA-SW
  • Kubota 1838
  • Kubota L335S
  • Kubota L355S
  • Kubota L355SS
  • Kubota L2501
  • Kubota L3200
  • Kubota L3240
  • Kubota L3301
  • Kubota L3350
  • Kubota L3350DT
  • Kubota L3540
  • Kubota L3800
  • Kubota L3901
  • Kubota L3940
  • Kubota L4240
  • Kubota L4350
  • Kubota L4350DT
  • Kubota L4400
  • Kubota L4600
  • Kubota L4740
  • Kubota MX4700H
  • Kubota MX5100H
  • Kubota R400
  • Kubota R400B
  • Kubota R410
  • Kubota R410B
  • Kubota R510
  • Kubota R510B
  • Kubota R420
  • Kubota R520
  • Kubota R520S
  • New Holland L454
  • New Holland L455
  • New Holland L553
  • New Holland L555
  • Carrier
  • Carrier
  • Kubota
  • Kubota
  • Kubota
  • Kubota
  • Kubota
  • Kubota
  • Kubota
  • Kubota
  • Kubota
  • Kubota
  • Kubota
  • Kubota
  • Kubota
  • Kubota
  • Kubota
  • Kubota
  • Kubota
  • Kubota
  • Kubota
  • Kubota
  • Kubota

Specifications

GasketsIncluded
Part Number (Bobcat)6653941, 6684225, 6685105
Part Number (Carrier)25-37581-10, 253758110, 25-15568-00SV, 251556800SV, 25-15568-00S
Part Number (Case)332451A1
Part Number (Caterpillar)383-0433, 3830433, CA3830433
Part Number (Ford/New Holland)1906-6233, A-503180, A503180, 503180, 508161, 80503180
Part Number (Kubota)15521-73030, 15521-73033, 15521-73035, 15521-73039, 1552173030, 1552173033, 1552173035, 1552173039, 7509-10103, 15521-7303, 155217303, 1A05173030, 1A05173032, 1A051-73030, 1A051-73032, 1A051-73035, 1A05173035, 1G730-7303-2
Part NumberEngine Water Pump Bobcat: 6653941, 6684225, 6685105 Carrier: 25-37581-10, 253758110, 25-15568-00SV, 251556800SV, 25-15568-00S Case: 332451A1 Caterpillar: 383-0433, 3830433, CA3830433 Ford/New Holland: 1906-6233, A-503180, A503180, 503180, 508161, 80503180 Kubota: 15521-73030, 15521-73033, 15521-73035, 15521-73039, 1552173030, 1552173033, 1552173035, 1552173039, 7509-10103, 15521-7303, 155217303, 1A05173030, 1A05173032, 1A051-73030, 1A051-73032, 1A051-73035, 1A05173035, 1G730-7303-2 Thermostat Bobcat: 6653948 Kubota: 16221-73270, 19434-73014

Fitment Notes

Brand or application signal
Kubota Engine Spare Parts
Product family
Water Pump
System category
Engine Spare Parts > Lubrication & Cooling Systems > Water Pump
Recommended verification
OEM number, engine model, serial number, old part photos, and dimensions.

Shipping & Returns

Availability
InStock
Shipping
Shipping quotes can be confirmed before payment for heavy or urgent orders.
Returns
Returns are easier when fitment is confirmed before ordering.
B2B support
Bulk, fleet, and repair-shop requests can be handled through the inquiry form.

Frequently Asked Questions

How do I confirm this part fits my machine?

Match the OEM or reference number first, then verify machine model, engine model, serial number, connector layout, mounting points, and old part photos.

Can I order if my part number is not listed?

Yes. Send the old part number, machine plate, and photos through the fitment inquiry form. Support can review possible replacements or alternatives.

Is this an OEM part?

Products are indexed as replacement parts unless explicitly marked otherwise. Always compare reference numbers and confirm fitment before purchase.

Confirm fitment & quote details

Send machine details and nameplate photos before ordering high-risk or quote-only parts.