SKU: 37655802231

Stihl Ms171 Piston 37mm, Replaces Stihl Part # 1139 030 2003

Sale price$33.26 Regular price$36.95
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Description

Stihl Ms171 Piston 37mm, Replaces Stihl Part # 1139 030 2003Stihl Ms171 Replacement Piston 37mm, Replaces Part # 1139 030 2003, Note This Kit Is Not Made In China. This Is A Very High Quality Replacement Cylinder Piston Kit. Material The factories use the highest grade material coming from Japan. This is AC4B. 2. Coating Before coating, all performance saw cylinders are put through 13 preliminary processes to ensure maximum penetration, thickness and coverage. Coating thickness is . 04 . 06 mm of chrome which

Stihl Ms171 Replacement Piston 37mm, Replaces Part # 1139 030 2003, Note This Kit Is Not Made In China. This Is A Very High Quality Replacement Cylinder Piston Kit. Material- The factories use the highest grade material coming from Japan. This is AC4B. 2. Coating- Before coating, all performance saw cylinders are put through 13 preliminary processes to ensure maximum penetration, thickness and coverage. Coating thickness is .04-.06 mm of chrome which increases the life of the cylinder. 3. Machining- Complete machining on all cylinders is performed by accurate CNC tool machines. 4. Die-Casting- All cylinders are made by slow gravity fed die-casting. This increases the weight of the cylinder which enhances the performance and life of the rebuild. 5. Tooling- Each cylinder tooling has limited life and are replaced after the manufacturing of 50,000 pieces. All tooling is checked on a monthly basis. 6. Quality Control- Special inspection is done on every cylinder inlet and exhaust port which includes chamfering of all burrs. Every 20th cylinder that comes off of the production line in thoroughly inspected for accurate tolerances. cylinders & pistons are manufactured by factories that have over 30 years of experience in the cylinder & piston industry. They provide OEM chainsaw suppliers (Western, European, & Chinese) as well as OEM for motorcycle companies. You can expect three times more life out of our cylinders & pistons than our cheaper competitors. Most of the cheap Chinese cylinders that we see look good, fit okay, but do not last because they don't go the extra length to ensure good quality. Note: We recommend when rebuilding 2-cycle equipment that you use a piston ring compressor kit to ensure professional results.

  • Stihl Ms171 Piston 37mm
  • Replaces Stihl Part # 1139 030 2003
  • NOT MADE IN CHINA OR TAIWAN
  • **Family run business with 25 years of repair experience and parts sales
  • **We strive to provide high quality parts and excellent customer service!
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 37655802231

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Ivan and Miranda
Chelsea, US
★★★★★ 5
Amazon choice.
Size: 1-Pack
Definitely needed a new cabin filter and this one was at a good price. Easy to install and change filter.
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Reviewed in the United States on May 27, 2026
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chris keeton
Alexandria, US
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Perfect fit
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Fit perfectly, no issues at all. Would buy again in the future.
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Reviewed in the United States on May 22, 2026
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Nah
Draper, US
★★★★★ 5
Perfect fit
Size: 1-Pack
Perfect fit, easy install
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Reviewed in the United States on May 20, 2026
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Thomas
Birmingham, US
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Great fit, seems good quality, would buy again
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Reviewed in the United States on April 18, 2026
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J Chase
Birmingham, US
★★★★★ 5
It is an air filter
Fit perfect easy replacement and saves $$$.
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Reviewed in the United States on May 15, 2026

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