Product Details
Exhaust Mufflers, Tailpipes, Shrouds, Risers, Clamps and More
Offering the largest inventory of exhaust system components!
McFarlane now has a full product line of exhaust system components, including AWI and Acorn Welding. These leading exhaust manufacturers offer high-quality components for many major aircraft models including Aero Commander, American Champion, Beechcraft, Cessna, Cirrus, Grumman, Mooney, Piper, and Rockwell. Systems and parts for both Continental and Lycoming engines are available.
- Largest inventory in the industry!
- One-stop shop for all your needs
- Save money with complete system kit
- Upgrade with Performance kits
Acorn Welding develops welded, machined, and riveted components for all sectors of aviation. They design and manufacture turbine engine exhaust, Piston aircraft exhaust systems, engine mounts, and support trusses. Other products include assemblies such as induction boxes, seat frame elements, and engine and flight control linkages. Their exhaust products are made from stainless steel or Inconel with design improvements that reduce thermal fatigue and provide longer life.

- Brackets
- Clamps
- Collector Assemblies
- Elbows
- Exhaust Stacks
- Mufflers
- Risers
- Shrouds
- Tailpipes
- Tubes
- And more!
Eligible Aircraft
| Make | Model | Start S/N | End S/N | Eligibility Chart |
|---|---|---|---|---|
| Continental | O-200-A | 0 | ZZZZZZZZZZZZZZZ | 7703 |
| Continental | IO-360-C | 0 | ZZZZZZZZZZZZZZZ | 7703 |
| Continental | IO-360-D | 0 | ZZZZZZZZZZZZZZZ | 7703 |
| Continental | IO-360-DB | 0 | ZZZZZZZZZZZZZZZ | 7703 |
| Continental | IO-360-G | 0 | ZZZZZZZZZZZZZZZ | 7703 |
| Continental | IO-360-GB | 0 | ZZZZZZZZZZZZZZZ | 7703 |
| Continental | LTSIO-360-KB | 0 | ZZZZZZZZZZZZZZZ | 7703 |
| Continental | TSIO-360-C | 0 | ZZZZZZZZZZZZZZZ | 7703 |
| Continental | TSIO-360-F | 0 | ZZZZZZZZZZZZZZZ | 7703 |
| Continental | TSIO-360-FB | 0 | ZZZZZZZZZZZZZZZ | 7703 |
| Continental | TSIO-360-H | 0 | ZZZZZZZZZZZZZZZ | 7703 |
| Continental | TSIO-360-HB | 0 | ZZZZZZZZZZZZZZZ | 7703 |
| Continental | TSIO-360-KB | 0 | ZZZZZZZZZZZZZZZ | 7703 |
| Continental | IO-470-C | 0 | ZZZZZZZZZZZZZZZ | 7703 |
| Continental | IO-470-E | 0 | ZZZZZZZZZZZZZZZ | 7703 |
| Continental | IO-470-F | 0 | ZZZZZZZZZZZZZZZ | 7703 |
| Continental | IO-470-K | 0 | ZZZZZZZZZZZZZZZ | 7703 |
| Continental | IO-470-N | 0 | ZZZZZZZZZZZZZZZ | 7703 |
| Continental | IO-470-S | 0 | ZZZZZZZZZZZZZZZ | 7703 |
| Continental | O-470-11 | 0 | ZZZZZZZZZZZZZZZ | 7703 |
| Continental | O-470-G | 0 | ZZZZZZZZZZZZZZZ | 7703 |
| Continental | O-470-J | 0 | ZZZZZZZZZZZZZZZ | 7703 |
| Continental | O-470-K | 0 | ZZZZZZZZZZZZZZZ | 7703 |
| Continental | O-470-L | 0 | ZZZZZZZZZZZZZZZ | 7703 |
| Continental | O-470-R | 0 | ZZZZZZZZZZZZZZZ | 7703 |
| Continental | O-470-S | 0 | ZZZZZZZZZZZZZZZ | 7703 |
| Continental | O-470-U | 0 | ZZZZZZZZZZZZZZZ | 7703 |
| Continental | IO-520-A | 0 | ZZZZZZZZZZZZZZZ | 7703 |
| Continental | IO-520-B | 0 | ZZZZZZZZZZZZZZZ | 7703 |
| Continental | IO-520-BA | 0 | ZZZZZZZZZZZZZZZ | 7703 |
| Continental | IO-520-BB | 0 | ZZZZZZZZZZZZZZZ | 7703 |
| Continental | IO-520-D | 0 | ZZZZZZZZZZZZZZZ | 7703 |
| Continental | IO-520-F | 0 | ZZZZZZZZZZZZZZZ | 7703 |
| Continental | TSIO-520-AF | 0 | ZZZZZZZZZZZZZZZ | 7703 |
| Continental | TSIO-520-BE | 0 | ZZZZZZZZZZZZZZZ | 7703 |
| Continental | TSIO-520-P | 0 | ZZZZZZZZZZZZZZZ | 7703 |
| Continental | TSIO-520-U | 0 | ZZZZZZZZZZZZZZZ | 7703 |
| Continental | TSIO-520-UB | 0 | ZZZZZZZZZZZZZZZ | 7703 |
| Continental | TSIO-550-A | 0 | ZZZZZZZZZZZZZZZ | 7703 |
| Continental | TSIO-550-B | 0 | ZZZZZZZZZZZZZZZ | 7703 |
| Continental | TSIO-550-C | 0 | ZZZZZZZZZZZZZZZ | 7703 |
| Continental | TSIO-550-E | 0 | ZZZZZZZZZZZZZZZ | 7703 |
| Continental | TSIO-550-G | 0 | ZZZZZZZZZZZZZZZ | 7703 |
Part Number Information
Supersedes Part Numbers
640964-107 | 643861-107 | 643861-117 | 654239 | 640964107 (Hartzell) | 643861107 (Hartzell) | 643861117 (Hartzell) | 656297 (Hartzell) | K640964107 (Hartzell) | K640964-107 (Hartzell)
Cross-reference information
Cross Reference Reference only: Please verify this product is appropriate for your use case before adding to your cart. OEM Part Number McFarlane Part Number Comment 640964-107 656297AWL 643861-107 656297AWL 643861-117 656297AWL 654239 656297AWL 640964107 656297AWL 643861107 656297AWL 643861117 656297AWL 656297 656297AWL K640964107 656297AWL K640964-107 656297AWL
Additional product information
SupersedesPartNumber: 640964-107 SupersedesPartNumber: 643861-107 SupersedesPartNumber: 643861-117 SupersedesPartNumber: 654239 SupersedesPartNumber: 640964107 (Manufacturer: Hartzell) SupersedesPartNumber: 643861107 (Manufacturer: Hartzell) SupersedesPartNumber: 643861117 (Manufacturer: Hartzell) SupersedesPartNumber: 656297 (Manufacturer: Hartzell) SupersedesPartNumber: K640964107 (Manufacturer: Hartzell) SupersedesPartNumber: K640964-107 (Manufacturer: Hartzell)





