8 Fairfax St SE
NAPA Auto Parts Genuine Parts Company
8 Fairfax St SE
Leesburg,  VA  20175
(703) 777-2055
Reserve Online Participant
Store Hours
Mon-Fri:7:30 AM-7:00 PM
Sat:8:00 AM-5:00 PM
Sun:9:00 AM-5:00 PM
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Muffler, ID: Inlet 1 5/16", Outlet 1.25"

Muffler, ID: Inlet 1 5/16", Outlet 1.25"

Part #: SME 703679
Line: NAPA Small Engine Parts

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Features & Benefits

Warranty: Standard : 2 Year Limited on Manufactures Defect in Material or Workmanship


Inlet I.D. 1-5/16" Outlet I.D. 1-1/4"

  • Back by Sierra's Limited lifetime Warranty.
  • Meets or exceeds manufacturers recommended specs.
  • Backed by Sierra’s Limited Lifetime Warranty.
  • Backed by Sierra’s Limited Lifetime Warranty.


Brand NAPA
Replaces OE Part # 018543
Standard or Premium Standard
Engine Manufacturer Gravely
Muffler Inlet Size 1.3125 in.
Engine HP Rating 12 - 16 hp
VMRS Code 043003001
Muffler Dimensions 1.25 in.
Muffler Outlet Size .938 in.
Muffler Thread Size 1 1/4 in.
Fits Engine Model # 8000 Series Tractors

Safety Information

Vehicle Fitment Guide

Product Reviews