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910 Woodbourne Road, Langhorne, PA 19047 (215) 757-3850
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    STIHL MS 271 Parts Diagram(Page)

    Genuine STIHL parts for the STIHL MS 271 (MS 271 Gasoline Chainsaw) — 17 exploded parts diagrams and 293 parts with their STIHL part numbers. Find the part by its number on the diagram, then its part...

Not finding it? How to find your part

PARTS HELP

How to find your part

Three things find almost any part: the number off the old part, its size, or your machine's model number. Here is where each one is and how to read it. Or skip all of it — bring the old part to 910 Woodbourne Road and we will match it at the counter.

1. The number off the old part

Most parts carry their number: stamped on a belt, printed on a filter, cast into a blade, on the side of a spark plug. Type it into the search box exactly as you see it — dashes or no dashes, it does not matter. If the number is one that has been replaced, the search says so: Replaces 692236.

Several numbers? Paste them all, one after another — each one is answered on its own.

2. The size

No number left on it? Measure it and type the size — 1/2 x 38, 20x10-8, .095 — or open the aisle and pick the size from the list:

3. Your machine's numbers

Every machine has a model number and a serial number on a plate or sticker. Type the model number into the search, or tell us both when you call or write — a look-alike part can fit a different model, and the serial number settles it.

  • Walk mowers: on the deck, under the bag or at the back of the housing.
  • Riders and zero-turns: under the seat, or on the frame by the rear wheel.
  • Trimmers, blowers, chainsaws: on the housing near the handle, or under the starter cover.
  • Snow blowers: on the frame behind the engine or on the auger housing.

Engine parts use the engine's numbers, not the machine's. Briggs & Stratton stamps Model / Type / Code on the blower housing or valve cover; Kohler puts a spec number on the shroud; Honda's is on the crankcase. Write all of it down — the type or spec number is what picks the right carburetor or filter.

How to measure

Belt
Read the width across the top (3/8", 1/2", 5/8") and measure the outside all the way around — a string around the belt, then the string against a tape. A worn belt stretches, so the number printed on it is better than the tape. Type it as 1/2 x 38.
Tire
The size is on the sidewall: 20x10.00-8 is 20" tall, 10" wide, on an 8" rim. The rim is the last number. A tube is bought by the same size.
Saw chain
Three numbers: pitch (3/8", .325", 3/8" low profile) and gauge (.050", .058", .063") are stamped on the bar near the saw; count the drive links — the teeth that ride in the bar groove — all the way around.
Trimmer line
The diameter: .065", .080", .095", .105", .130". Thicker is for heavier brush; the head's manual says the largest it takes.
Blade
Length tip to tip, the center hole (round, star, or 5-point) and its size, and the distance between any outer holes. Bring the old blade if you can — two blades an inch apart in length do not fit the same deck.
Spark plug & filters
The number is on the part: along the plug's ceramic, printed on the filter. Type it in; a cross-reference finds the same plug under another brand.

Still not sure? Call (215) 757-3850, use the form, or bring the part in — 910 Woodbourne Road, Langhorne. We match parts at the counter every day.

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