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Toro 20339

Engine maintenance kits for the Toro 20339

Short answer

Toro lists kit 20234 for serial range 316000001–316999999, and kit 130-8148 for 400000000–401999999.

Verified options

What we have verified

Engine maintenance kits recorded for the Toro 20339
PartSerial rangeStatus
20234Engine Maintenance Kit for Briggs & Stratton Engine316000001–316999999Confirmed fit
130-8148Briggs & Stratton EXi Engine Maintenance Kit Replacement400000000–401999999Confirmed fit
20234Engine Maintenance Kit for Briggs & Stratton Engine400000000–401999999Not verified
130-8148Briggs & Stratton EXi Engine Maintenance Kit Replacement316000001–316999999Not verified

What decides it

The numbers that matter here

Serial range

316-series takes 20234; 400-series takes 130-8148

The whole decision. Two kits for one model number.

Same boundary as the 20340, not the 20334

Changes at 316 → 400

The 20334 changes at 315 → 316. Do not carry a rule across from another machine, even a near-identical one.

Kit contents

Itemized for 20234, not for 130-8148

Toro states that 20234 contains 20 oz. SAE 30 oil, a spark plug, an air filter and a 0.5 oz. fuel treatment packet. For 130-8148 it says only "the key consumable service items". The two therefore cannot be compared on contents from these pages.

In detail

Choosing engine maintenance kits for this mower

On the 20339 the engine maintenance kit changes between the 316- and 400-series serial ranges. The earlier listing shows 20234, the Engine Maintenance Kit for Briggs & Stratton Engine; the later one shows 130-8148, the Briggs & Stratton EXi Engine Maintenance Kit Replacement.

That is the same boundary as on the Toro 20340 — and it is not the boundary on the Toro 20334, where the change has already happened by the 316-series range. Three walk-behind Toros of the same cutting width and the same engine size, and the split falls in two different places. This is the reason we record fitment per serial range rather than per model, and the reason we will not publish a general rule about where Toro changes kits.

Toro publishes nine parts listings for this model number. We have opened two. If your serial number is not inside 316000001–316999999 or 400000000–401999999, this page has not verified anything for your machine, and Toro’s own listing for your range is the place to check.

As on the other machines, we do not claim that either kit substitutes for the other. Toro presents them as the kits for two ranges, and says nothing about replacing one with the other.

The mistake we see most

Assuming that because two Toro mowers share a deck width and an engine size, they share a parts timeline.

Method

How we established this

We opened Toro’s parts listings for model 20339 under serial ranges 316000001–316999999 and 400000000–401999999 and recorded the maintenance kit shown in each, then compared the boundary against the listings we had already opened for the 20334 and the 20340.

Provenance

Sources

Last verified against these sources on August 17, 2026.

  1. 1

    Parts — 22" SMARTSTOW Variable Speed High Wheel Lawn Mower, model 20339, serial range 316000001–316999999

    The Toro Company · Primary source · Accessed August 17, 2026

    Lists 20234 (Engine Maintenance Kit for Briggs & Stratton Engine), 38990 (22 Inch Drive Belt for Recycler Mower), 59534P, 59502 and 490-2012. The range selector names eight further serial ranges for this model number.

  2. 2

    Parts — 22" SMARTSTOW Variable Speed High Wheel Lawn Mower, model 20339, serial range 400000000–401999999

    The Toro Company · Primary source · Accessed August 17, 2026

    Lists 130-8148 in place of 20234, and adds 137-4837P (Replacement 11 in. Rear High Wheel). Still lists 38990 and 59502.

  3. 3

    22" (56cm) SMARTSTOW Variable Speed High Wheel Lawn Mower — model 20339

    The Toro Company · Primary source · Accessed August 17, 2026

    Product specification page. States "7.25 ft-lb Gross Torque** Briggs & Stratton® EXi 163cc w/Ready Start®", a 22 in / 56 cm cutting width, front-wheel drive with a variable speed self-propel system, and a 14 Gauge Steel deck.