Service parts for the CH20
Grouped by system, with how many of each the parts manual calls for.
Air intake
1 requiredIgnition
1 requiredPrices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.
Specifications
Ratings spec sheet not in our library yet — see the documents below.
Filters & service parts
model family| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Mobil 1, 5W-30, API Classification SF, SG, or SH | 24 083 02 | buy | ||
| Fuel filter | Have lock-off/filter serviced. | — | 8750 hr | ||
| Oil filter | 12 050 01-S | 200 hr | Amazon $30.38 eBay KuduParts $32.00 | ||
| Battery | Battery Charging | — | |||
| Belt | — | ||||
| Coolant | — | ||||
| Oil | Mobil 1, 5W-30, API Classification SF, SG, or SH | 345095 | Amazon eBay $67.47 | ||
| Spark plug | 0.76 mm (0.030 in.) gap | 12 132 02-S | 200 hr | buy |
Compiled from this model's family documentation — may include parts for closely-related variants. Confirm the exact part for your serial number.
Common questions
What oil filter fits the Kohler CH20?
The Kohler CH20 uses oil filter part number 12 050 01-S.
Which air filter part number does the Kohler CH20 take?
The Kohler CH20 uses air filter part number 24 083 02.
Parts
47model family| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 12 050 01 | Oil filter | 1 | Oil filter | Amazon $30.38 eBay KuduParts $11.00 |
| 12 050 01-S | Filter, oil | 40 | Filter | Amazon $30.38 eBay KuduParts $32.00 |
| 227354-S | oil line | Hose | Amazon | |
| 24 083 02 | Precleaner element | 1 | Air filter | buy |
| 24 083 08 | Air cleaner element | 1 | Air filter | buy |
| 24 132 01 | Spark Plug | 2 | Spark plug | buy |
| 25 083 01-S | Outer Element, Heavy-Duty Air Cleaner | 1 | Outer element | KuduParts $19.00 |
| 25 083 04-S | Inner Element, Heavy-Duty Air Cleaner | 1 | Inner element | buy |
| 25 761 18-S | Starter Retaining Ring Tool | 1 | Belt | buy |
| A-345052 | Engine oxygen sensor | 1 | Sensor | Amazon eBay |
| KO1044 | Hydraulic Lifter Removal/Reinstallation Tool | 1 | Hydraulic filter | Amazon eBay |
| KO1046 | Ignition System Tester | 1 | Spark plug | Amazon eBay |
| KO1048 | Water Manometer | 1 | Coolant filter | Amazon eBay |
| KO3217-7 | Jumper Plug, Red (for metal cased ECU) | 1 | ECM / ECU | Amazon eBay |
| KO3217-9 | Air Filter Adapter | 1 | Air filter | Amazon eBay |
| KO3221 | Rectifier-Regulator Tester | 1 | Battery | Amazon eBay |
| KO3223 | Vacuum/Pressure Tester | 1 | Coolant filter | Amazon eBay |
| KO3226 | Starter Service Kit | 1 | Starter | Amazon eBay |
| N11236 | Engine Identification Label | 1 | Engine identification label | Amazon eBay |
| 24 455 02-S | Ignition Module Tester, fires at 18 kV | Service part / kit | buy | |
| 25 449 01-S | Tiny Tach (breaker points) | Service part / kit | buy | |
| 25 449 02-S | Tiny Tach (solid state) | Service part / kit | buy | |
| 25 449 03-S | Usage Meter/Tachometer (solid state, fasteners) | Service part / kit | buy | |
| 25 449 04-S | Usage Meter/Tachometer (solid state, bonding tape) | Service part / kit | buy | |
| 25 455 01-S | Ignition System Tester | 1 | Service part / kit | buy |
| 25 761 02-S | Water Manometer | Service part / kit | buy | |
| 25 761 03-S | Inductance Tachometer | Service part / kit | buy | |
| 25 761 04-S | Ammeter Set (DC) | Service part / kit | buy | |
| 25 761 05-S | Adapter 12 mm x 14 mm (Required for leakdown test on XT-6 engines) | 1 | Service part / kit | buy |
| 25 761 06-S | Oil Pressure Test Kit | 1 | Service part / kit | buy |
| 25 761 07-S | Emission Sentry Tester I | Service part / kit | buy | |
| 25 761 08-S | Thread Repair Kit (metric) | Service part / kit | buy | |
| 25 761 20-S | Rectifier-Regulator Tester (120 volt current) (Components of 25 761 20-S and 25 761 41-S) | 1 | Service part / kit | buy |
| 25 761 21-S | Spark Advance Module Tester | Service part / kit | buy | |
| 25 761 22-S | Vacuum/Pressure Tester | Service part / kit | buy | |
| 270231-S | Oil Gauge | Service part / kit | Amazon | |
| 345095 | Annual Maintenance Kit | 1 | Service part / kit | Amazon eBay $67.47 |
| KO1026 | Rocker Arm Spanner Wrench | 1 | Service part / kit | Amazon eBay |
| KO1031 | Camshaft Endplay Plate | 1 | Service part / kit | Amazon eBay $84.00 |
| KO3216 | Inductance Tachometer | 1 | Service part / kit | Amazon eBay |
| KO3217 | EFI Service Kit | 1 | Service part / kit | Amazon eBay |
| KO3217-4 | Gauge Assembly | 1 | Service part / kit | Amazon eBay |
| KO3217-5 | Pliers | 1 | Service part / kit | Amazon eBay |
| KO3217-6 | Circuit Tester | 1 | Service part / kit | Amazon eBay |
| KO3217-8 | Tee Valve Assembly (EFI Service Kit component) | 1 | Service part / kit | Amazon eBay |
| KO3219 | Cylinder Leakdown Tester | 1 | Service part / kit | Amazon eBay |
| KO3222 | Spark Advance Module (SAM) Tester | 1 | Service part / kit | Amazon eBay |
Compiled from this model's family documentation — may include parts for closely-related variants. Confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.
Available documents
Owner's manual — 2459001 b 808 (Kohler)Owner's manual — tp5863 (Kohler)Parts manual — pb83 (Kohler)Service manual — 24 690 06 (Kohler)Service manual — 24 690 30 EN (Kohler)Service manual — 24 690 35 ESS (Kohler)Service manual — CH Twin (Kohler)Service manual — Kohler PA-CH740-3362 Engine Service Manual (Kohler)Service manual — Kohler-CH-Series-Service-Manual (Kohler)Service manual — Kohler-Service-Repair-Manual-Command-CH18-CH20-CH22-CH23-CH25-CH26 (Kohler)Service manual — Kohler-Study-Guide (Kohler)Service manual — sm 24 690 06 (Kohler)Service manual — tp2428c (Kohler)