Sierra 223-3304 Impeller Kit, Replaces 229955, for Kohler Generators

The Sierra 223-3304 Impeller Kit is a replacement water pump impeller kit built for select Kohler generator engines. It serves as a direct cross-reference for OEM part number 229955, giving generator owners a straightforward way to restore proper raw-water circulation in the cooling system without sourcing the original Kohler part. The kit is designed as a universal fit across the wide range of Kohler generator model codes it covers, so it works whether you are servicing a small portable unit or a larger continuous-duty generator within the supported line-up.

Sierra has manufactured engine and drive parts for the marine and power equipment industry for decades, and this impeller kit is built to meet or exceed the specifications of the original equipment part it replaces. It measures 6 x 2.5 x 6 inches and weighs 0.1 pounds, making it a compact, easy-to-handle replacement component for routine cooling system maintenance. The kit is backed by Sierra's customer satisfaction warranty, giving buyers confidence in fit and performance when swapping out a worn or damaged impeller.

This impeller kit is intended for the specific Kohler generator model codes listed under Fitment below. Confirm your generator's model code and serial number against the fitment list before ordering to ensure correct compatibility.

Specifications

• Brand: Sierra
• Manufacturer Part Number: 223-3304
• Category: Kohler Generator Parts
• UPC: 808282288532
• Weight: 0.1 pounds
• Product Dimensions: 6 x 2.5 x 6 inches
• Fit Type: Universal Fit
• OEM Cross Reference: 229955

Fitment

• Kohler generator model codes: 10 E (SN 296898 & Below), 10 EOZ (SN 296898 & Below), 11 CCFOZ, 11 EFOZ, 11 EFOZD, 11.5 CCFOZ, 11.5 EFOZ, 11.5 EFOZD, 12.5 CF (SN 296898 & Below), 12.5 E (SN 296898 & Below), 13 EFOZ, 13 EFOZD, 13 EOZ, 13 EOZD, 13.5 CCOZ, 14 CCOZ, 14 EOZ, 14 EOZD, 15 CCFOZ, 15.5 EOZ, 15.5 EOZD, 16 EFOZ, 17 EFOZD, 17.5 EFOZ, 17.5 EFOZD, 18.5 CCOZ, 19 EFOZ, 19 EFOZD, 20 CCFOZ, 20 EFOZ, 20 EFOZD, 20 EOZ, 20 EOZD, 23 EOZ, 23 EOZD, 24 CCOZ, 24 EOZ, 24 EOZD, 4 CCFOZ (SN 296898 & Below), 4 EFOZ (SN 296898 & Below), 5 CCOZ (SN 296898 & Below), 5 EOZ (SN 296898 & Below), 6.5 EFOZ (SN 296898 & Below), 8 CCFOZ (SN 296898 & Below), 8 E (SN 296898 & Below), 8 EFOZ (SN 296898 & Below), 8 EOZ (SN 296898 & Below), 9 CCOZ (SN 296898 & Below), 9 EFOZ (SN 296898 & Below), 9 EOZ (SN 296898 & Below)

Replaces (OEM)

• 229955

Frequently Asked Questions

What does the Sierra 223-3304 Impeller Kit replace? It is a direct cross-reference for OEM part number 229955, so it fits in place of that original Kohler generator impeller.

Which Kohler generators fit this impeller kit? The 223-3304 kit fits a wide range of Kohler generator model codes, including units such as 10 E, 11 CCFOZ, 13 EFOZ, 15.5 EOZ, 20 CCFOZ, and 24 EOZ, among others listed in the fitment details; some models also carry a serial number cutoff of 296898 and below, so check your unit's model code and serial number before ordering.

Is the Sierra 223-3304 a genuine Kohler part or an aftermarket replacement? It is a Sierra-manufactured aftermarket impeller kit engineered to meet or exceed the specifications of the original equipment part it replaces, not a Kohler-branded component.

What are the dimensions and weight of this impeller kit? The Sierra 223-3304 Impeller Kit measures 6 x 2.5 x 6 inches and weighs 0.1 pounds.

Does the impeller kit come with a warranty? Yes, the 223-3304 kit is covered under Sierra's customer satisfaction warranty, the same warranty applied across Sierra's engine and drive parts line.

Is this impeller kit a universal fit? Sierra lists the 223-3304 as a universal fit across the specific range of Kohler generator model codes it covers, rather than a single-model-only part.

How do I know if the 223-3304 impeller kit is correct for my Kohler generator? Match your generator's model code and, for older units, its serial number against the fitment list published for part 223-3304; several model codes are limited to serial number 296898 and below.

What finish does the impeller housing or component have? The component has a machined exterior finish.

Can this impeller kit be used to fix a generator that has lost cooling flow? Yes, the 223-3304 kit is designed to restore proper raw-water impeller function in the covered Kohler generator models when the original impeller has worn out or failed.

Is the Sierra 223-3304 the same as buying the Kohler 229955 part directly? The 223-3304 kit is built as a functional cross-reference to OEM 229955, engineered to meet or exceed the original part's specifications, though it is sold under the Sierra brand rather than as a genuine Kohler part.