Free shipping over $80New Spring '26 Catalogue out nowEst. 2011 — Made for working handsLifetime warranty on steel toolsFree shipping over $80New Spring '26 Catalogue out nowEst. 2011 — Made for working handsLifetime warranty on steel tools
APOROZONA
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APOROZONA PART FINDEROEM · MODEL · AMAZON

Find the exact
replacement
part before you buy.

Search an OEM number, machine model, bar size, blade size, or Amazon listing keyword. We route you to compatible parts, buying links, and the guide that helps you verify the fit.

PopularStihl MS170 chainHusqvarna 128LD spool532406712 bladeOregon 91PX
Live match route

From number to checkout.

98%
OEM
53240671221 in. mower blade
Exact cross-ref
Model
MS 17016 in. bar / 3/8 LP
Guide ready
Part
AP-240-FRAPOROZONA value fit
Amazon link
Mower blade fitment reference
Open finder →Read guides
— Start where you are

Three ways to
avoid the wrong part.

Buyers rarely have perfect information. The homepage now supports the three real inputs they usually have: a number, a machine, or a measurement.

01Start →

OEM number

Use the stamped part number from your old blade, chain, belt, spool, filter, or manual.

532406712 · 91PX056G · 545008010
02Start →

Machine model

Start from the mower, chainsaw, trimmer, or power tool model when the old part is missing.

MS170 · 128LD · DCMW220
03Start →

Measurements

Match by length, center hole, pitch, gauge, drive links, line diameter, or belt section.

21 in · 3/8 LP · .050 · 56 DL
— Match, compare, buy

OEM fit,
value pricing,
Amazon speed.

01Confirm

Cross-reference OEM numbers, model pages, and dimensions before sending users to buy.

02Compare

Show OEM, APOROZONA value-fit, and budget alternatives when multiple parts fit.

03Guide

Attach install notes, wear checks, torque specs, and measurement diagrams to each match.

04Convert

Send high-intent buyers to the product page, Amazon search, or exact ASIN link when available.

14yr
Years machining in Oregon
2,400+
SKUs in the active catalogue
58hrc
Tempered cutting steel — always
∞·
Lifetime warranty, steel tools

Browse the
catalogue —
05 departments.

Every part we stock fits the machine it claims to, or we send you a return label. Filter by manufacturer, fitment code, or just tell us what broke.

— 01Blades · shears · line
Cutting & Trimming
412 items in stock
↗
— 02Batteries · chargers
Power Tool Parts
318 items in stock
↗
— 03Decks · belts · bearings
Mower Components
276 items in stock
↗
— 04Fittings · timers · drippers
Irrigation & Hose
504 items in stock
↗
— 05Shovels · forks · dibbers
Hand Tools
189 items in stock
↗
In the workshop now

Four things
we're making.

View all 2,400 →
AP—206NEW
01 / 04Buy ↗
No spark after storage: coil or something else?
Replacement part
—
AP—184
02 / 04Buy ↗
Walk-behind mower drive-belt measurement replacement checklist
Replacement part
—
AP—183
03 / 04Buy ↗
Garden hose washer and thread-seal leak fix guide
Replacement part
—
AP—175
04 / 04Buy ↗
12 PSI drip regulator and Y-filter install guide
Replacement part
—
§ II
MANIFESTO
——
READING: 2 MIN
A dull blade makes more work than no blade. We machine parts that stay sharp, fit the first time, and don't end up in a landfill two seasons from now.
— J. PORTEN
FOUNDER
——
SALEM, OR
Inside the workshop
◦ Workshop journal

A co-op of
machinists &
gardeners.

Fourteen of us, a CNC shop off Highway 22, and a field behind the building where every blade we cut gets tested on real hedges before it gets a SKU. We don't ship anything we haven't used ourselves.

Read our story →

Field notes.

VOL.15 / 2026 / 7 ENTRIES
— Essay11 MIN READ

Reading the Mower Blade Stamp Before You Buy

The five-second test every homeowner should do on the old blade before ordering a replacement — plus the three measurements you want in hand when you can't find the OEM code at all…

— Guide5 MIN

Spring Cleanup in the Pacific Northwest

— Guide5 MIN

A Season on the 8-Port Drip Manifold

— THE DISPATCH

Notes from
the bench.

Four times a year. New parts, field notes, and the occasional opinion about hedges. No marketing.

A.