Water Pump 9-42605 for GMC

OEM / REF: 9-42605SKU: pilotpart430597

GMC Water Pump 9-42605 is listed under Engine Spare Parts > Water Pump with catalog data including Part Number (Mallory): 9-42605; Part Number (Mercury): 65142A1, 814755; Part Number (Mes): WP447M. Verify fitment for GMC Engine Spare Parts using the OEM number, mounting points, and photos of your existing part.

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

Water Pump Description

Catalog specifications for SKU pilotpart430597 include Part Number (Mallory): 9-42605; Part Number (Mercury): 65142A1, 814755; Part Number (Mes): WP447M; Part Number (OMC): 984360, 986779. The part is grouped under Engine Spare Parts > Lubrication & Cooling Systems > Water Pump for GMC Engine Spare Parts buyers comparing OEM 9-42605.

Additional cross references on file: 65142A1, 814755, WP447M. If your machine plate shows a different number, submit a fitment inquiry with photos before checkout.

Specifications

Part Number (Mallory)9-42605
Part Number (Mercury)65142A1, 814755
Part Number (Mes)WP447M
Part Number (OMC)984360, 986779
Part Number (Sierra)18-3575, 18-3593
Part Number (OE)814755
Part NumberMallory: 9-42605 Mercury: 65142A1, 814755 Mes: WP447M OMC: 984360, 986779 Sierra: 18-3575, 18-3593 OE: 814755

Fitment Notes

Brand or application signal
GMC 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.