SKU: 37655802231

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

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Ships within 48 hours · Estimated delivery Aug 8 - Aug 13

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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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4.2 ★★★★★
Based on 21 reviews
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E
Verified Purchase
Edward F Alves
Houston, US
★★★★★ 5
A+ mount for 4Runners
This is the best phone mount I've ever had. Got it for my 2021 4Runner. Very strong, doesn't come loose, easy to place and remove the phone from the mount. Can't recommend enough.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 13, 2026
W
Verified Purchase
Wildman
Charlottesville, US
★★★★★ 5
High quality
Very nice and secure. This one is built to last!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 11, 2026
J
Verified Purchase
Jennifer O
Boise, US
★★★★★ 5
Best Phone Mount EVER!
I searched the Toyota forums and consistently saw this item mentioned as one that would not move on bump roads or even over time on smooth roads. It is the best and must secure mount I have ever used. It fits perfectly on was designed not to obscure the view. I have recommended this brand to everyone that I have talked to about mounts since I got. Very easy to install also!
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Reviewed in the United States on September 15, 2025
C
Verified Purchase
Casual Surfer
Chelsea, US
★★★★★ 5
Perfect fit for Kia Carnival
Color: for Kia Carnival 2022-2024, Color: for Kia Carnival 2022-2024
The designer of this van made it difficult to find a good solution for phone mount. I tried 4 different mounts until this, and it's perfect. The only problem is the holder itself- it's kinda crappy. The good news is that the mount uses standard sized ball joints so I took an old magnetic mount and mated to this, perfect phone mount.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 9, 2023
M
Verified Purchase
Michael Ford
New York, US
★★★★★ 1
2024 Kia Carnival SX Prestige
Color: for Kia Carnival 2022-2024
Does not fit this vehicle. The little tabs that are supposed to click in aren't long enough. Returning.
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Reviewed in the United States on September 13, 2024

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