KTRI91351 injector with the spring installed
KTRI91351 injector with the spring installed Chemical injector, ball, and spring in the correct order of installation KTRI91351 chemical injector nipple Small spring for the KTRI91351 injector kit KTRI91351 steel ball KTRI91351 chemical injector o-ring KTRI91351 chemical injector nipple

KTRI91351 Chemical Injector Kit for AAA, Simpson, OEM Pumps

In stock

$10.61

In stock

Part Number: KTRI91351
Compatible Brands: AAA, OEM Solutions, Simpson
Shipping Weight: 0.125 Lbs

The KTRI91351 is a new style OEM replacement chemical injector kit that fits various pumps manufactured by Simpson, OEM, AAA, DeWalt, Stanley, FNA Group, and more.

This chemical injector kit lets you connect a chemical hose to the pump, introducing chemical solutions into the water stream.

The KTRI91351 is an OEM-certified replacement part for an exact fit in compatible pressure washer pumps.

The threads on this chemical injector have a 0.90mm thread pitch or 1/8-in.-BSPP (G)


This Kit Includes:

  • (1) Barbed Nipple with Pre-installed O-Ring
  • (1) Stainless Steel Ball
  • (1) Spring


Service Note:

The chemical injector kit must be removed and installed using a 13mm wrench and a torque wrench set to 110 in/lbs.

For help installing a new chemical injector in your pressure washer pump, please refer to the instructions on the product page.

Need Help? Call us:

1-269-685-4123 1-269-447-0412

KTRI91351 Is Compatible with the Following Pumps:

  • 510001, 510003, 510011, 510014, 510015, 510020, 520001, 520002, 520004, 520006, 530001, 530011, 530010, 530008, 530009, 530016, 530017
  • Also fits all BRD and ALD series pumps by AAA

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