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O.S. - OSMG5142 OSM21534100 21534100 531028138360 4531028138360
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  Tech Notes

Parts Compatibility

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O.S. Inner Head 12TZ
O.S. Inner Head 12TZ
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Parts Saver Eligible:Yes

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Quantity Discount
  Special Savings When Buying in Quantities
Special Stock Number Units at this Price Tower's Low Price Click to Order Quantity Discount Savings
O.S. Inner Head 12TZ Add to Wish List
47.74  Buy Now 2.24  
O.S. Inner Head 12TZ Add to Wish List
71.22  Buy Now 3.75  
O.S. Inner Head 12TZ Add to Wish List
118.10  Buy Now 6.85  

Tech Notes
   This is the Inner Head (aka: Head Button) for the following OS Engines:
                        11370 .12 TZ TURBO
                        11371 .12 TZ(S)-T TURBO
                        11373 .12TZ(P)-T 3 PORT TURBO
                        11375 .12TZ(P)-T 5 PORT TURBO

FEATURES: Machined natural aluminum construction

INCLUDES: One Inner Head

REQUIRES: Gasket Set OSMG6030

SPECS: Height: 0.37" (9.47mm) Diameter: 1.14" (29mm) OD

tjt 060105 ir/jxs

– If you need more information, use these O.S. resources –
Web Site:
Phone: 217-398-8970
  Postal Address:

Click here for Units of Measure Conversion Calculators

Parts Compatibility
Parts Compatibility for O.S. Inner Head 12TZ
This item is a replacement part for the following:
 LXJFY8 O.S. 12TZ(P)-T3 ABC Engine w/ 11H Slide Carburetor  (Parts List)
 LXJFY9 O.S. 12TZ(P)-T5 ABC Engine w/11H(B) Slide Carburetor  (Parts List)
 LXRUN8 O.S. 12TZ(P)-T3 ABC Engine w/ 11M Rotary Carburetor  (Parts List)
 LXRTM3 O.S. 12TZ Speed Spec 2 ABC Engine w/ 11HBS Slide Carb  (Parts List)

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