Description
xHTJYMY AM138423 is a complete muffler assembly kit—muffler, exhaust pipe, and gasket—designed as a direct-fit replacement for specified John Deere lawn tractor models.
If your tractor is running louder than usual, producing exhaust leaks, or showing signs of a failing exhaust assembly, this HTJYMY replacement muffler kit offers a straightforward repair option. Engineered as a direct replacement for parts AM138423, GX20802, and GX24805, the kit restores exhaust routing and reduces noise while using heavy-duty materials to withstand normal lawn tractor operating temperatures.
Will this muffler fit my John Deere tractor model?
This assembly is made to fit a range of John Deere and similar lawn tractors. It lists direct compatibility with models such as 102, 105, 115 and several L-series and HS-series tractors; check your tractor’s parts diagram and part number to confirm exact match.
- Replaces AM138423, GX20802, GX24805 for direct fit
- Compatible models include 102, 105, 115, L100–L110 variants
- Also fits L1742, 1642HS, 1742HS and similar series
- Confirm part number on your tractor before ordering
How easy is installation and what’s included?
The kit is supplied ready to install with the muffler, exhaust pipe, and a gasket to seal the connection and help prevent leaks. Basic hand tools are usually all that’s needed, and the direct-replacement design keeps installation time minimal for experienced DIYers.
- Includes muffler assembly, exhaust pipe, and gasket
- Direct-replacement shape to match factory mounting points
- Simple installation with common wrenches and sockets
- Gasket reduces chance of exhaust leaks after install
What performance and durability can I expect?
Constructed from heavy-duty materials, this muffler assembly is built to handle the heat and vibration typical of lawn tractor engines. It reduces engine noise while maintaining exhaust flow, which helps the engine run smoothly when the exhaust path is restored to correct condition.
- Durable construction for high-temperature resistance
- Engineered to preserve proper exhaust flow dynamics
- Noise reduction compared to a damaged or missing muffler
- Designed for routine lawn tractor workload and conditions
Who is this for: The HTJYMY AM138423 muffler kit is intended for homeowners, landscapers, and small-property managers who maintain John Deere or compatible lawn tractors and need a reliable, OEM-style exhaust replacement. It’s ideal for anyone comfortable doing basic mechanical work who wants a cost-effective fix that restores quiet operation and proper exhaust routing. Always verify compatibility with your tractor’s model and part number before purchasing, and follow safety guidelines when removing and installing exhaust components.
FAQ
Q: Does this replace part AM138423?
A: Yes. This HTJYMY assembly is a direct replacement for AM138423, GX20802, and GX24805.
Q: Is a gasket included with the muffler kit?
A: Yes. The kit includes the muffler, exhaust pipe, and the required gasket for installation.
Delivery & Returns
xFree UK delivery on every order — packed within 1 business day, arriving in 2–4 business days.
Free 30-day returns — email us for a prepaid label; refunds land within 3–5 business days of the return arriving.
Why GardenLuxe
x- ✓ Proven best-sellers only — products UK gardens buy again and again
- ✓ Free UK delivery on every order
- ✓ Free 30-day returns with prepaid label
- ✓ Genuine products from reputable suppliers
- ✓ Human support — gardenluxe.co.uk@gmail.com
Care & Good To Know
x- Rugs & mats: hose down or machine wash per label; air-dry fully before storing.
- Shade cloth: use every grommet, tension with bungee ties, take down for winter storms.
- Fertilisers & plant food: always follow label dose rates; store sealed, dry and away from children and pets.
- Power tool parts: check bar length and pitch/gauge match your saw before fitting.
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