BLADE,SCAG 18IN

Name: 91-637 BLADE,SCAG 18IN
Brand: Oregon
SKU: 91-637
Price: 16.11 USD
Availability: InStock

Genuine Oregon OEM · Part number 91-637

The BLADE,SCAG 18IN is a genuine Oregon blades part, OEM part number 91-637. Dykes Motors sells it for $16.11. Specs: length 18 in, center hole 5/8 in, blade type Mulching. It is in stock to order online, or you can pick it up at our store. Not sure it fits your machine? Send the model and serial number to the parts desk before you order.

Price and availability checked Oct 18, 2026

~~Market price $17.76~~ Save 9%

$16.11

We accept Visa, Mastercard, American Express, Discover, Apple Pay, Google Pay, Amazon Pay, PayPal, Venmo, and Klarna.

In stock. Ships in 2 to 3 business days, arrives in 1 to 2 more — by Fri, Oct 23. Free shipping on every parts order. Free pickup at 3069 Hwy 49.

Genuine OEM part. Manufacturer warranty honored at our dealership.

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Fits these models

1 more model in the OEM parts diagram, unverified

Appears in the OEM parts diagram for Scag Scag (all models)

Replaces Oregon (OEP) OEP191-637 (probable)

Cross-reference / interchange numbers: 32022*, 32022A*, 32022HD*, 225381*, 21227S*, 5021227S*, 5101756S*, PL4206*, 5101756X2*, A48185*, 100341*, 5103304S*, 539100341*, 539101485*, 5021227X2*, 363055*, 390665*, AM104490*, PT8721*, TCU29188*, TCU29869*, TCU35393*, TCU37208*, 027048*, 50125*, 50140*, 101485*, 481707*, 481711*, 48185*, 482462*, 482878*, 482961*, A48108*, 48108*, 1756152SYP*, 5101756SYP*, 5103304SYP*, 539105712*, 5103304X2* (+37 more)

* catalog cross-reference match, not yet human-verified — call to confirm before ordering off this number alone.

Details

Genuine Oregon mower blade, Oregon 91-637, a direct aftermarket replacement. Length 18 in. Center hole 5/8 in. Cutting width 2.5 in. Fits Scag SWZ20KHE, Scag STC52A23LV, Scag SWZ52A18KH, Scag SWZ14KH10000, Scag SVR52V25CVEFI, Toro LASERZ, Scag SW48V14FS, Scag STC52V691FX and more. Ships nationwide from Dykes Motors, authorized Oregon dealer in Collins, Mississippi, or pick up free at our store.

Specifications

Length: 18 in
Center Hole: 5/8 in
Blade Type: Mulching

Verify your fitment before you order

Text your equipment model and serial number to 601.516.7255 and we confirm the exact part before you pay. Prefer to talk? Call (601) 516-7255.

Questions about part 91-637

What machines does part 91-637 fit?

We do not list a confirmed fitment for part 91-637 on this page. Send the model and serial number of your machine to the parts desk and we will check it before you order.