Superior Parts SP EA0138 Aftermarket UNILOK Piston/Driver Assembly Compatible with Senco FinishPro 41XP

★★★★★ 4.7 79 reviews

$30.94
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$30.94
Price when purchased online
Free shipping Free 30-day returns

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Product details

Management number 213621053 Release Date 2026/04/12 List Price $12.38 Model Number 213621053
Category

The Superior Parts SP EA0138 is a generic replacement Piston Driver with O-Ring that’s compatible with Senco FinishPro 41XP guns. Manufactured with our UNI-LOK technology that hydraulically crimps the grooves of the shaft to ensure the piston driver never unscrews. Drivers do not unscrew even at 80 N-M(59ft-lbs) during torque testing. The aluminum piston driver is heat treated to provide strength, durability and performance.

  • Compatible with Senco FinishPro 41XP Finish Nailer.
  • Designed with our UNI-LOK technology that hydraulically crimps the grooves of the shaft to ensure the piston driver never unscrews. | The aluminum piston driver is heat treated to maintain strength and durability for excessive use and wear and tear.
  • Driver is annealed at the threaded end to lower the hardness and make the material more ductile for improved shock resistance. | Rockwell Hardness Testing: Standard alloy drive hardness ranges between 56-59 HRC along the shaft.
  • Manufactured from, Aerospace-grade #2024 aluminum | All Superior Parts drivers are crimped at the aluminum base and can withstand a torque of 80 N-M (59ft-lb) before the aluminum shears off.
  • Specifications: Material: Premium Grade Aluminum | Hardness: 59 HRC
Material Steel
Item Weight 2.08 ounces
Part Number SP EA0138
Manufacturer Superior Parts
Item model number SP EA0138
Batteries Included No
Batteries Required No
Product Dimensions 8 x 4 x 2 inches
Item Package Quantity 1
Is Discontinued By Manufacturer No

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79 ratings | 32 reviews
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