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O.S. - OSMG2586 OSM26625500 26625500 531028132115 4531028132115
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  Tech Notes

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O.S. Muffler Extension 35mm E-402
O.S. Muffler Extension 35mm E-402
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Special Stock Number Units at this Price Tower's Low Price Click to Order Quantity Discount Savings
O.S. Muffler Extension 35mm E-402 Add to Wish List
35.32  Add To Cart 1.66  
O.S. Muffler Extension 35mm E-402 Add to Wish List
52.71  Add To Cart 2.76  
O.S. Muffler Extension 35mm E-402 Add to Wish List
87.40  Add To Cart 5.05  

Regularly Purchased Together
— Customers who purchased the above product also bought the following —
Although customers also purchased these, compatibility is not guaranteed. Click an item for product details.
1.  LXCA83 O.S. Muffler Extension #744B 14.49  Add To Cart
2.  LXCB72 O.S. Motor Mount 65LA/61-91FX/75AX 31.99  Add To Cart
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Tech Notes
This is an Exhaust Extension for the
E-4010 OSMG2838, E4020, & 744B Mufflers

This extends the muffler out from the crankcase of the engine by 1.38" (35mm)


Natural Colored Muffler Extension


One Cast Aluminum Exhaust Extension
Two M4x70 Bolts w/.7 pitch threads


Engine and E-4010, E-4020, or 744B Muffler


Length: 35mm (1.38 in)
Width: 52mm (2.05 in)
Height: 14mm (.551 in)
Mounting Hole Centers: 43mm (1.63 in)
Port Dimensions: Width: 28mm
Height: 8mm


Other muffler extensions use: OSMG2582 15mm

jmm 10/1/01
updt mcw 2/9/05
updated tjt 042905

– If you need more information, use these O.S. resources –
Email: enginesupport@hobbico.com
Web Site: http://www.osengines.com/
Phone: 217-398-8970
  Postal Address:

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Parts Compatibility
Parts Compatibility for O.S. Muffler Extension 35mm E-402
This item is an optional part for the following:
 LXAESD O.S. 65AX ABL w/Muffler  (Parts List)
 LXBY46 O.S. 61FX ABL w/Muffler  (Parts List)
 LXXMU4 O.S. 95AX Ringed w/Muffler  (Parts List)
 LXBY47 O.S. 91FX Airplane Engine Ringed w/Muffler  (Parts List)

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