ATP Parts B-521 Transmission Filter Kit

Brand ATP Parts B-521
LineCode Atp
Fits Cadillac, Chevrolet, and GMC · 207 vehicles

Transmission filter kit. Keeps transmission fluid clean to help protect vital components.

Helps reduce debris buildup from normal wear and tear.

Regular replacement can extend transmission life and help avoid costly repairs.

$96.00Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $96.00
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Transmission Filter Kit for GM Applications

ATP Parts B-521 is a transmission filter kit built for GM vehicles that rely on clean automatic transmission fluid to protect internal components. By replacing a clogged filter at service intervals, you help keep debris out of the valve body and maintain proper fluid flow in the transmission.

Compatible With 2015-2022 Chevrolet Silverado 1500, 2015-2022 GMC Sierra 1500, and other listed GM applications, this ATP transmission filter kit supports routine transmission service on a wide range of trucks, SUVs, and performance models. Part number B-521 is also a direct search match for buyers looking up ATP B-521 transmission filter kit fitment.

Key Features

  • Transmission filter kit for automatic transmission service
  • Helps keep transmission fluid cleaner by trapping wear debris
  • Supports valve body cleanliness and internal fluid passage protection
  • Fits a broad range of Chevrolet, GMC, Cadillac, and select performance applications
  • ATP Parts B-521 for easy catalog lookup and fitment verification

Detailed Description

Transmission fluid is the working fluid of the transmission, and filter condition directly affects how well contaminants are removed during normal operation. ATP Parts B-521 is designed for service replacement on GM platforms where regular filter changes are part of maintaining transmission health. This kit is a practical choice for owners searching for a transmission filter kit for 2015-2022 Chevrolet Silverado 1500, 2015-2022 GMC Sierra 1500, or other listed applications such as Chevrolet Camaro, Colorado, Express 2500, Express 3500, GMC Canyon, Cadillac ATS, CTS, CT6, Escalade, Yukon, and Corvette. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Address

  • Dirty transmission fluid from normal wear and debris buildup
  • Restricted fluid flow through a loaded or clogged filter
  • Contamination that can affect valve body operation
  • Service intervals where the transmission filter needs replacement
  • Transmission maintenance on GM trucks, SUVs, and performance vehicles

Installation Notes and Tips

Verify transmission code and model-year fitment before ordering, especially on applications with specific notes such as the 2019 Chevrolet Camaro with 8-speed transmission code 8L90. Replace the filter during a proper transmission service and inspect the pan, gasket surfaces, and fluid condition before reassembly. Confirm the vehicle application against the catalog listing for your Chevrolet Silverado 1500, GMC Sierra 1500, or other listed model.

Quality Assurance

ATP Parts designs transmission filters to help keep transmission fluid clean and reduce the risk of debris-related wear inside the transmission. Regular filter replacement supports long-term serviceability and helps avoid preventable repair issues caused by contamination.

This part fits 207 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelBody TypeDrive TypeTransmissionLitersCylindersFuel TypePositionNotes
2022ChevroletSilverado 1500WTStandard Cab PickupRWDAutomatic5.3LV8GASN/A—
2022GMCSierra 1500ProStandard Cab PickupRWDAutomatic5.3LV8GASN/A—
2022GMCSierra 1500 LimitedProStandard Cab PickupRWDAutomatic5.3LV8GASN/A—
2021ChevroletSilverado 1500RSTExtended Cab PickupRWDAutomatic5.3LV8GASN/A—
2021GMCSierra 1500SLTExtended Cab PickupRWDAutomatic5.3LV8GASN/A—
2020ChevroletCamaro——RWDAutomatic3.6LV6—N/A—
2020ChevroletCamaro——RWDAutomatic2.0LL4—N/A—
2020ChevroletColorado——RWDAutomatic3.6LV6—N/A—
2020ChevroletColorado——4WDAutomatic3.6LV6—N/A—
2020ChevroletColorado——RWDAutomatic2.8LL4—N/A—
2020ChevroletColorado——4WDAutomatic2.8LL4—N/A—
2020ChevroletColorado——RWDAutomatic2.5LL4—N/A—
2020ChevroletColorado——4WDAutomatic2.5LL4—N/A—
2020ChevroletExpress 2500——RWDAutomatic6.0LV8—N/A—
2020ChevroletExpress 2500——RWDAutomatic4.3LV6—N/A—
2020ChevroletExpress 2500——RWDAutomatic2.8LL4—N/A—
2020ChevroletExpress 3500——RWDAutomatic6.0LV8—N/A—
2020ChevroletExpress 3500——RWDAutomatic4.3LV6—N/A—
2020ChevroletExpress 3500——RWDAutomatic2.8LL4—N/A—
2020ChevroletSilverado 1500——RWDAutomatic6.2LV8—N/A—
2020ChevroletSilverado 1500——4WDAutomatic6.2LV8—N/A—
2020ChevroletSilverado 1500——RWDAutomatic5.3LV8—N/A—
2020ChevroletSilverado 1500——4WDAutomatic5.3LV8—N/A—
2020ChevroletSilverado 1500——RWDAutomatic2.7LL4—N/A—
2020ChevroletSilverado 1500——4WDAutomatic2.7LL4—N/A—
2020GMCCanyon——RWDAutomatic3.6LV6—N/A—
2020GMCCanyon——4WDAutomatic3.6LV6—N/A—
2020GMCCanyon——RWDAutomatic2.8LL4—N/A—
2020GMCCanyon——4WDAutomatic2.8LL4—N/A—
2020GMCCanyon——RWDAutomatic2.5LL4—N/A—
2020GMCCanyon——4WDAutomatic2.5LL4—N/A—
2020GMCSierra 1500——RWDAutomatic6.2LV8—N/A—
2020GMCSierra 1500——4WDAutomatic6.2LV8—N/A—
2020GMCSierra 1500——RWDAutomatic5.3LV8—N/A—
2020GMCSierra 1500——4WDAutomatic5.3LV8—N/A—
2020GMCSierra 1500——RWDAutomatic2.7LL4—N/A—
2020GMCSierra 1500——4WDAutomatic2.7LL4—N/A—
2019CadillacATS——RWDAutomatic3.6LV6—N/A—
2019CadillacATS——AWDAutomatic3.6LV6—N/A—
2019CadillacATS——RWDAutomatic2.0LL4—N/A—
2019CadillacATS——AWDAutomatic2.0LL4—N/A—
2019CadillacCTS——RWDAutomatic6.2LV8—N/A—
2019CadillacCTS——RWDAutomatic3.6LV6—N/A—
2019CadillacCTS——AWDAutomatic3.6LV6—N/A—
2019CadillacCTS——RWDAutomatic2.0LL4—N/A—
2019CadillacCTS——AWDAutomatic2.0LL4—N/A—
2019ChevroletCamaro———Automatic6.2LV8—N/ATransmissionNumSpeeds: 8; Only Fits Only fits TransmissionCode: 8L90
2019ChevroletCamaro———Automatic3.6LV6—N/A—
2019ChevroletCamaro———Automatic2.0LL4—N/A—
2019ChevroletCheyenne——4WDAutomatic5.3LV8—N/A—
2019ChevroletColorado———Automatic3.6LV6—N/A—
2019ChevroletColorado———Automatic2.8LL4—N/A—
2019ChevroletColorado———Automatic2.5LL4—N/A—
2019ChevroletCorvette——RWDAutomatic6.2LV8—N/A—
2019ChevroletExpress 2500——RWDAutomatic6.0LV8—N/A—
2019ChevroletExpress 2500——RWDAutomatic4.3LV6—N/A—
2019ChevroletExpress 2500——RWDAutomatic2.8LL4—N/A—
2019ChevroletExpress 3500——RWDAutomatic6.0LV8—N/A—
2019ChevroletExpress 3500——RWDAutomatic4.3LV6—N/A—
2019ChevroletExpress 3500——RWDAutomatic2.8LL4—N/A—
2019ChevroletSilverado 1500——RWDAutomatic6.2LV8—N/A—
2019ChevroletSilverado 1500——4WDAutomatic6.2LV8—N/A—
2019ChevroletSilverado 1500——RWDAutomatic5.3LV8—N/A—
2019ChevroletSilverado 1500——4WDAutomatic5.3LV8—N/A—
2019ChevroletSilverado 1500——RWDAutomatic2.7LL4—N/A—
2019ChevroletSilverado 1500——4WDAutomatic2.7LL4—N/A—
2019GMCCanyon———Automatic3.6LV6—N/A—
2019GMCCanyon———Automatic2.8LL4—N/A—
2019GMCCanyon———Automatic2.5LL4—N/A—
2019GMCSierra——4WDAutomatic5.3LV8—N/A—
2019GMCSierra 1500——RWDAutomatic6.2LV8—N/A—
2019GMCSierra 1500——4WDAutomatic6.2LV8—N/A—
2019GMCSierra 1500——RWDAutomatic5.3LV8—N/A—
2019GMCSierra 1500——4WDAutomatic5.3LV8—N/A—
2019GMCSierra 1500——RWDAutomatic2.7LL4—N/A—
2019GMCSierra 1500——4WDAutomatic2.7LL4—N/A—
2018CadillacATS——RWDAutomatic3.6LV6—N/A—
2018CadillacATS——AWDAutomatic3.6LV6—N/A—
2018CadillacATS——RWDAutomatic2.0LL4—N/A—
2018CadillacATS——AWDAutomatic2.0LL4—N/A—
2018CadillacCT6——RWDAutomatic3.6LV6—N/A—
2018CadillacCT6——AWDAutomatic3.6LV6—N/A—
2018CadillacCT6——RWDAutomatic3.0LV6—N/A—
2018CadillacCT6——AWDAutomatic3.0LV6—N/A—
2018CadillacCT6——RWDAutomatic2.0LL4—N/A—
2018CadillacCT6——AWDAutomatic2.0LL4—N/A—
2018CadillacCTS——RWDAutomatic6.2LV8—N/A—
2018CadillacCTS——RWDAutomatic3.6LV6—N/A—
2018CadillacCTS——AWDAutomatic3.6LV6—N/A—
2018CadillacCTS——RWDAutomatic2.0LL4—N/A—
2018CadillacCTS——AWDAutomatic2.0LL4—N/A—
2018ChevroletCamaro——RWDAutomatic6.2LV8—N/A—
2018ChevroletCamaro——RWDAutomatic3.6LV6—N/A—
2018ChevroletCamaro——RWDAutomatic2.0LL4—N/A—
2018ChevroletCheyenne——4WDAutomatic6.2LV8—N/A—
2018ChevroletColorado———Automatic3.6LV6—N/A—
2018ChevroletColorado———Automatic2.8LL4—N/A—
2018ChevroletColorado———Automatic2.5LL4—N/A—
2018ChevroletCorvette——RWDAutomatic6.2LV8—N/A—
2018ChevroletExpress 2500——RWDAutomatic6.0LV8—N/A—
2018ChevroletExpress 2500——RWDAutomatic4.3LV6—N/A—
2018ChevroletExpress 2500——RWDAutomatic2.8LL4—N/A—
2018ChevroletExpress 3500——RWDAutomatic6.0LV8—N/A—
2018ChevroletExpress 3500——RWDAutomatic4.3LV6—N/A—
2018ChevroletExpress 3500——RWDAutomatic2.8LL4—N/A—
2018ChevroletSilverado 1500———Automatic6.2LV8—N/A—
2018ChevroletSilverado 1500———Automatic5.3LV8—N/A—
2018ChevroletSilverado 1500———Automatic4.3LV6—N/A—
2018GMCCanyon———Automatic3.6LV6—N/A—
2018GMCCanyon———Automatic2.8LL4—N/A—
2018GMCCanyon———Automatic2.5LL4—N/A—
2018GMCSierra——4WDAutomatic6.2LV8—N/A—
2018GMCSierra 1500———Automatic6.2LV8—N/A—
2018GMCSierra 1500———Automatic5.3LV8—N/A—
2017CadillacATS——RWDAutomatic3.6LV6—N/A—
2017CadillacATS——AWDAutomatic3.6LV6—N/A—
2017CadillacATS——RWDAutomatic2.5LL4—N/A—
2017CadillacATS——AWDAutomatic2.5LL4—N/A—
2017CadillacATS——RWDAutomatic2.0LL4—N/A—
2017CadillacATS——AWDAutomatic2.0LL4—N/A—
2017CadillacCT6——RWDAutomatic3.6LV6—N/A—
2017CadillacCT6——AWDAutomatic3.6LV6—N/A—
2017CadillacCT6——RWDAutomatic3.0LV6—N/A—
2017CadillacCT6——AWDAutomatic3.0LV6—N/A—
2017CadillacCT6——RWDAutomatic2.0LL4—N/A—
2017CadillacCT6——AWDAutomatic2.0LL4—N/A—
2017CadillacCTS——RWDAutomatic6.2LV8—N/A—
2017CadillacCTS——RWDAutomatic3.6LV6—N/A—
2017CadillacCTS——AWDAutomatic3.6LV6—N/A—
2017CadillacCTS——RWDAutomatic2.0LL4—N/A—
2017CadillacCTS——AWDAutomatic2.0LL4—N/A—
2017CadillacEscalade——RWDAutomatic6.2LV8—N/A—
2017CadillacEscalade——4WDAutomatic6.2LV8—N/A—
2017CadillacEscalade ESV——RWDAutomatic6.2LV8—N/A—
2017CadillacEscalade ESV——4WDAutomatic6.2LV8—N/A—
2017ChevroletCamaro——RWDAutomatic6.2LV8—N/A—
2017ChevroletCamaro——RWDAutomatic3.6LV6—N/A—
2017ChevroletCamaro——RWDAutomatic2.0LL4—N/A—
2017ChevroletCheyenne——4WDAutomatic6.2LV8—N/A—
2017ChevroletColorado————3.6LV6—N/A—
2017ChevroletColorado————2.8LL4—N/A—
2017ChevroletColorado————2.5LL4—N/A—
2017ChevroletCorvette——RWDAutomatic6.2LV8—N/A—
2017ChevroletExpress 2500————6.0LV8—N/A—
2017ChevroletExpress 2500————4.8LV8—N/A—
2017ChevroletExpress 2500————2.8LL4—N/A—
2017ChevroletExpress 3500————6.0LV8—N/A—
2017ChevroletExpress 3500————4.8LV8—N/A—
2017ChevroletExpress 3500————2.8LL4—N/A—
2017ChevroletSilverado 1500————6.2LV8—N/A—
2017ChevroletSilverado 1500————5.3LV8—N/A—
2017ChevroletSilverado 1500————4.3LV6—N/A—
2017GMCCanyon——RWDAutomatic3.6LV6—N/A—
2017GMCCanyon——4WDAutomatic3.6LV6—N/A—
2017GMCCanyon——RWDAutomatic2.8LL4—N/A—
2017GMCCanyon——4WDAutomatic2.8LL4—N/A—
2017GMCCanyon——RWDAutomatic2.5LL4—N/A—
2017GMCCanyon——4WDAutomatic2.5LL4—N/A—
2017GMCSierra——4WDAutomatic6.2LV8—N/A—
2017GMCSierra 1500———Automatic6.2LV8—N/A—
2017GMCSierra 1500———Automatic5.3LV8—N/A—
2017GMCYukon————6.2LV8—N/A—
2017GMCYukon XL————6.2LV8—N/A—
2016CadillacATS——RWDAutomatic3.6LV6—N/A—
2016CadillacATS——AWDAutomatic3.6LV6—N/A—
2016CadillacATS——RWDAutomatic2.5LL4—N/A—
2016CadillacATS——AWDAutomatic2.5LL4—N/A—
2016CadillacATS——RWDAutomatic2.0LL4—N/A—
2016CadillacATS——AWDAutomatic2.0LL4—N/A—
2016CadillacCT6——RWDAutomatic3.6LV6—N/A—
2016CadillacCT6——AWDAutomatic3.6LV6—N/A—
2016CadillacCT6——RWDAutomatic3.0LV6—N/A—
2016CadillacCT6——AWDAutomatic3.0LV6—N/A—
2016CadillacCT6——RWDAutomatic2.0LL4—N/A—
2016CadillacCT6——AWDAutomatic2.0LL4—N/A—
2016CadillacCTS——RWDAutomatic6.2LV8—N/A—
2016CadillacCTS——RWDAutomatic3.6LV6—N/A—
2016CadillacCTS——AWDAutomatic3.6LV6—N/A—
2016CadillacCTS——RWDAutomatic2.0LL4—N/A—
2016CadillacCTS——AWDAutomatic2.0LL4—N/A—
2016CadillacEscalade——RWDAutomatic6.2LV8—N/A—
2016CadillacEscalade——4WDAutomatic6.2LV8—N/A—
2016CadillacEscalade ESV——RWDAutomatic6.2LV8—N/A—
2016CadillacEscalade ESV——4WDAutomatic6.2LV8—N/A—
2016ChevroletCamaro——RWDAutomatic6.2LV8—N/A—
2016ChevroletCamaro——RWDAutomatic3.6LV6—N/A—
2016ChevroletCamaro——RWDAutomatic2.0LL4—N/A—
2016ChevroletCorvette——RWDAutomatic6.2LV8—N/A—
2016ChevroletSilverado 1500————6.2LV8—N/A—
2016ChevroletSilverado 1500————5.3LV8—N/A—
2016ChevroletSilverado 1500————4.3LV6—N/A—
2016GMCSierra——AWDAutomatic6.2LV8—N/A—
2016GMCSierra 1500———Automatic6.2LV8—N/A—
2016GMCSierra 1500———Automatic5.3LV8—N/A—
2016GMCYukon————6.2LV8—N/A—
2016GMCYukon XL————6.2LV8—N/A—
2015CadillacEscalade———Automatic6.2LV8—N/A—
2015CadillacEscalade ESV——RWDAutomatic6.2LV8—N/A—
2015CadillacEscalade ESV——4WDAutomatic6.2LV8—N/A—
2015CadillacEscalade ESV———Automatic6.2LV8—N/A—
2015ChevroletCorvette——RWDAutomatic6.2LV8—N/A—
2015ChevroletSilverado 1500————6.2LV8—N/A—
2015ChevroletSilverado 1500————5.3LV8—N/A—
2015GMCSierra 1500———Automatic6.2LV8—N/A—
2015GMCSierra 1500———Automatic5.3LV8—N/A—
2015GMCYukon————6.2LV8—N/A—
2015GMCYukon XL————6.2LV8—N/A—