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Kohler Muffler CH18-25 |
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Mufflers
for Kohler Engines
A bad muffler can affect the running of your engine. H and H Lawncare Equipment can supply factory fresh mufflers for all types of outdoor power equipment.
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| PTO-MOUNT MUFFLER KITS & GUARD KIT | ||||||||||
| Picture | Outlet Location/Direction | Model | Outlet O.D. | A | B | C | D | D | F | Order |
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Rear/Straight | CH18-22 | 1.25" | 4.5" | 10.5" | 5.5" | 9.25" |
Original Part No: 2478604 has been substituted for: Currently Unavailable |
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Filter Side/Straight | CH18-22 | 1.25" | 4.5" | 10.5" | 5.5" |
Original Part No: 2478605 has been substituted for:
Currently Unavailable |
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Starter Side/Straight | CH18-22 | 1.25" | 4.5" | 10.5" | 5.5" |
Original Part No: 2478606 has been substituted for:
Currently Unavailable |
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| * Picture Unavailable | Rear/Straight | CH25 | 1.25" | 4.5" | 10.5" | 5.5" | 9.25" |
Original Part No: 2478610 has been substituted for:
Currently Unavailable |
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| * Picture Unavailable | Filter Side/Straight | CH25 | 1.25" | 4.5" | 10.5" | 5.5" |
Original Part No: 2478611 has been substituted for:
Currently Unavailable |
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| * Picture Unavailable | Starter Side/Straight | CH25 | 1.25" | 4.5" | 10.5" | 5.5" |
Original Part No: 2478612 has been substituted for:
Currently Unavailable |
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Guard Kit ** | CH18-25 | 4.75" | 10.75" |
Original Part No: 2475580 has been substituted for:
Currently Unavailable |
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| * CH25 mufflers are similar but include heat shield and
welded-on bracket for shield. ** Shown on 24 786 04 Muffler Kit (muffler not included.) |
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| A - Centerline of crank to bottom of muffler. B - Centerline of crank to top of muffler. |
C - PTO face to outer edge of muffler. D - PTO face to tip of muffler outlet. |
E - Centerline of crank to bottom of guard. F - Centerline of crank to top of guard. |
| SIDE-MOUNT MUFFLER KITS & GUARD KIT | |||||
| Picture | Location | Outlet D.B.C. | Model | Extends Engine Width By | Order |
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Starter Side | 2.047" | CH18-22 | 4.0" |
Original Part No: 2478609 has been substituted for:
Currently Unavailable |
| Filter Side *** | 2.047" | CH18-22 * | 4.0" |
Original Part No: 2478608 has been substituted for:
Currently Unavailable |
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Guard Kit ** | CH18-22 | 4.375" |
Original Part No: 2475522 has been substituted for:
Currently Unavailable |
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| Picture Unavailable | Starter Side | 2.047" | CH25 **** | 4.25" |
Original Part No: 2478619 has been substituted for:
Currently Unavailable |
| Picture Unavailable | Filter Side *** | 2.047" | CH25 **** | 5.60" |
Original Part No: 2478620 has been substituted for:
Currently Unavailable |
| Picture Unavailable | Guard Kit, Starter Side | CH25 | 4.25" |
Original Part No: 5475511 has been substituted for:
Currently Unavailable |
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| Picture Unavailable | Guard Kit, Filter Side | CH25 | 5.60" |
Original Part No: 5475512 has been substituted for:
Currently Unavailable |
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| * Not usable on models with oil cooler. ** SHown on 24 786 09 Muffler Kit (Muffler not included.) *** Requires use of standard 12 050 01 oil filter to avoid interference with muffler. **** CH25 Kits include dual manifolds. |
| "Pepperpot" Muffler | |||||
| Muffler Kit includes 2 eack muffler (52 068 04), manifolds (24 164 05), clamps (237548), gaskets (24 041 02) and nuts (M-0841080). | |||||
| Picture | Description | A | B | Model | Order |
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Muffler Kit | 3.5" | 4.0" | CH18-25 |
Original Part No: 2478607 has been substituted for:
Currently Unavailable |
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Guard | 3.875" | 4.5" | CH18-25 |
Original Part No: 2531401 has been substituted for:
Currently Unavailable |
| Canister Muffler (Horizontal) | ||||
| Similar to other CH18-25 canister mufflers, but includes special welded-on support bracket and an exhaust outlet pointed down. Will not accept 24 755 80 Guard Kit. | ||||
| Picture | Outlet Direction | Outlet O.D. | Model | Order |
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Down | 1.375" | CH18-25 |
Original Part No: 2406811 has been substituted for:
Currently Unavailable |
| Canister Mufflers (Vertical) | |||||
| Filter side version may not be used on CH18-25 models with oil cooler. Fuel pump must also be shielded or electri pump used. | |||||
| Picture | Mounting Location | Fit | Outlet O.D. | Model | Order |
![]() Part No 2406816 Pictured Above |
Remote | 1.375" | CH18-22 |
Original Part No: 2406815 has been substituted for:
Currently Unavailable |
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| Filter Side | A | 1.375" | CH18-22 |
Original Part No: 2406816 has been substituted for:
Currently Unavailable |
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| A - (As viewed from flywheel) 11.0 " - left mounting hole to left edge of muffler. 6.0" - left mounting hole to right edge of muffler. 15.4" - mounting surface to top of muffler. 2.45" - mounting surface to bottom of muffler. NOTE: For mounting, order (2) 24 041 02 gasket, (1) 24 164 04 manifold, (4) M-0829033 stud, (4) M-0841080 nut, (1) M-0839020 screw, (1) 12 237 02 clamp. |
| Crossover Manifolds | ||||||
| Picture | Outlet Location | Outlet O.D. | Extends From PTO Face | Model | Item | Order |
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Filter Side | 1.11" | 0.75" Outside Face | CH18-25 | 1 |
Original Part No: 2416404 has been substituted for:
Currently Unavailable |
| Filter Side (Fits duct package) | 1.11" | 2.125" Outside Face | CH18-25 | 2 |
Original Part No: 2416402 has been substituted for:
Currently Unavailable |
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| Starter Side (Fits duct package) | 1.11" | 2.125" Outside Face | CH18-25 | 3 |
Original Part No: 2416403 has been substituted for:
Currently Unavailable |
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| Picture Unavailable | Starter Side (Use w/side muffler) | 1.11" | 0.25" Inside Face | CH18-22 |
Original Part No: 2416410 has been substituted for:
Currently Unavailable |
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| Picture Unavailable | Filter Side (Use w/side muffler) | 1.11" | 0.25" Inside Face | CH18-22 |
Original Part No: 2416411 has been substituted for:
Currently Unavailable |
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| 90° Manifold Kit | ||||
| Picture | Fits Muffler | Thread | Model | Order |
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230410, 275679 | 1" N.P.T. | CH18-25 |
Original Part No: 2473001 has been substituted for:
Currently Unavailable |
| Stub Manifolds | |||
| Picture | Outlet O.D. | Model | Order |
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1.415" | CH18-25 |
Original Part No: 2416405 has been substituted for:
Currently Unavailable |
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1.125" | CH18-25 |
Original Part No: 2416407 has been substituted for:
Currently Unavailable |
| Straight Couple | |||
| Picture | Description | Thread | Order |
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Straight Couple | 1" N.P.S. |
Original Part No: 2424901 has been substituted for:
Currently Unavailable |
| Exhaust Flange | |||
| Picture | Description | Model | Order |
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Steel, .188" thick | CH/CV18-25 |
Original Part No: 2429501 has been substituted for:
Currently Unavailable |