We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Four silver metal rotor blades on white background

SPEEDAIRE

SPEEDAIRE PN21AA571G Rotor Blade (Pack of 4)

SKU CH-CEB2-H04E6

Pack of four Speedaire-compatible rotor blades for air compressor maintenance

  • Genuine Speedaire replacement keeps compressor running efficiently
  • Pack of four blades covers full rotor service
  • Direct-fit design matches Grainger part 21AC05
  • New condition ensures reliable performance from installation
  • Prop 65 notice informs safe handling practices

Product Identity

The SPEEDAIRE PN21AA571G Rotor Blade is a replacement component for compatible Speedaire air compressors. It comes in a pack of four and carries Grainger part reference 21AC05 for cross-reference.

Compatibility Check

Verify that your compressor model accepts this rotor blade design before ordering. The part is listed as compatible with Speedaire brand units and references Grainger number 21AC05 for identification. California Proposition 65 warnings apply to this product.

Sustained Operation

Under continuous compressor cycling the blades maintain the clearances required for consistent air displacement. The four-piece pack allows a full rotor set change so wear remains balanced across the assembly.

Highlights

  • Genuine Speedaire replacement keeps compressor running efficiently
  • Pack of four blades covers full rotor service
  • Direct-fit design matches Grainger part 21AC05
  • New condition ensures reliable performance from installation
  • Prop 65 notice informs safe handling practices

Specifications

BrandSPEEDAIRE

Questions about this item

Does the pack of 4 rotor blades include any extra hardware or gaskets?

The pack contains four SPEEDAIRE rotor blades only; no extra hardware or gaskets are included.

Should I choose this 4-blade pack or buy blades individually?

The 4-blade pack matches the typical rotor set for compatible Speedaire compressors; buying individually would require four separate orders.

Will these blades fit my Speedaire compressor using Grainger part 21AC05?

Yes, the blades are listed as compatible with Grainger part 21AC05 and the Speedaire brand.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.