18990906-1-M-DeWALT-AB-9040019-PISTON RING
Part Location Diagram of AB-9040019 DeWALT PISTON RING
See part 536 in the diagram
( Grid squares measure 1x1 inch )
18990906-1-S-DeWALT-AB-9040019-PISTON RING 18990906-2-S-DeWALT-AB-9040019-PISTON RING 18990906-3-S-DeWALT-AB-9040019-PISTON RING Part Location Diagram of AB-9040019 DeWALT PISTON RING

PISTON RING AB-9040019

Works With Model CAP2040P-OF!
$16.77
In Stock
Fix Number:
FIX18990906
Manufacturer #:
AB-9040019
Manufactured by:
DeWALT
Works With Model CAP2040P-OF!

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Product Description

Genuine Bostitch replacement part, this item is sold individually. This part is installed on top of the piston/connecting rod. Its purpose is to create a seal in the cylinder so that air can be pump into the compressor tank. If this part wears your compressor will not pump the air properly. This is a wear part and it is advised to keep an extra one on hand.

  • Works with the following brands:
    Bostitch
  • Works with the following products:
    Compressor
  • Part# AB-9040019 replaces these:
    AB-9040019
Works with the following brands:
Bostitch
Works with the following products
Compressor
Part Number Cross Reference
Part# AB-9040019 replaces these:
AB-9040019

Questions and Answers

Be the first to ask our experts a question about this part!

CYL.-PLATE/PLATE-HEA
$10.93
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Part Number: FIX18991034
Genuine Bostitch replacement part, this item is sold individually. There are two of these gaskets used on the compressor models shown below. They are placed in between the AB-A640050 Valve Plate Assembly. The purpose of ...
VALVE PLATE ASSY.
$27.20
In Stock
Part Number: FIX18991033
This is a genuine Bostitch replacement part, it is sold individually. The purpose of the Valve Plate is to allow into the cylinder.<br<When the piston is being pulled down the reeds on the Valve Plate are closed and air ...
GASKET VALVE-PLATE C
$7.13
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Part Number: FIX18991005
INTAKE VALVE
$7.39
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Part Number: FIX18990876
This is a genuine manufacturer sourced replacement part designed for use with Bostitch air compressors. Reed valves are commonly used in two-stroke engines, where they control the fuel-air mixture admitted to the cylinde...
VALVE PLATE ASSEMBLY
$19.74
In Stock
Part Number: FIX18991006
This part is available as an individual replacement part. The valve plate assembly fits between the cylinder valve gasket and the valve plate gasket. A torx screwdriver might be needed during the installation process. It...
GASKET CYLINDER-VALV
$11.51
In Stock
Part Number: FIX18991029
This genuine manufacturer-sourced part is specially designed for use with Bostitch air compressors. The purpose of this gasket is to provide a tight seal for the valve plate, unfortunately, over time it will wear out and...
VALVE PLATE
$6.51
In Stock
Part Number: FIX18991024
This is a high-quality component which is sourced directly from the original equipment manufacturer for use with Bostitch air compressors. The valve blade is placed in the cylinder head assembly in the valve plates to co...
CYLINDER
$20.33
In Stock
Part Number: FIX18990860
This is an authentic Bostitch component which is specially made for air compressor pumps. It is a hollow, round chamber with smooth walls that houses the piston. If it is damaged or is missing, this will provide an ident...
SCREW TORX M5X16 TT
$6.51
In Stock
Part Number: FIX18990879
This replacement hardware is a high quality item that is specially manufactured for use on Bostitch air compressors. It is an authentic screw that is used to secure the conrod cover to the connecting rod. Please note thi...
Bearing 6001 2rs
$22.37
In Stock
Part Number: FIX18990978
This is an authentic OEM replacement bearing. It is used in various Bostitch and DeWALT machines such as air compressors. Bearings are used to stabilize and buffer moving parts. This allows the part to move in the proper...
CONNECTING ROD
$18.14
In Stock
Part Number: FIX18991030
This is a genuine OEM supplied replacement part that is specially designed for Bostitch air compressors. It is the part that the piston is attached to. The piston is a central component of a pump. It provides both the co...
VALVE LIMITATOR
$6.51
Special Order
Part Number: FIX18990877
This is an authentic manufacturer-sourced replacement part which is specially made for use with Bostitch air compressors. It is a special limitator for the valve. Please make sure to refer to the appropriate diagrams for...
VALVE PLATE ASSEMBLY
$33.47
In Stock
Part Number: FIX18991026
This is a genuine OEM sourced replacement valve kit designed for Bostitch air compressors. The purpose of the valve plate is to allow air into the cylinder. Once the piston starts traveling up the reeds on the valve plat...
Affresh Dishwasher Cleaner Tablets - 6
$22.91
In Stock
Part Number: FIX12345667
Affresh dishwasher Cleaner is specially formulated to help remove limescale and mineral build-up that can be unsightly and could affect your dishwasher's performance. Each tablet is designed to clean inside your machine ...
Affresh Washing Machine Cleaner - 3 pack
$20.71
Special Order
Part Number: FIX1960673
This washing machine cleaner includes three time-release tablets designed to remove odor-causing residues, grime, and buildup from high-efficiency and top-load washing machines. The tablets work by cleaning the tub, pump...
Produce Preserver Filter
$18.54
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Part Number: FIX3503014
Fresh Flow Produce Preserver is made for your refrigerator to help keep produce fresh for longer by absorbing the chemical, ethylene, that causes your fruits and vegetables to ripen quicker. Your produce could be fresh f...
Affresh Washing Machine Cleaner Tablets – 6 Count
$28.91
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Part Number: FIX12345661
This Affresh Washing Machine Cleaner deep cleans to help remove the odor-causing residues and grime that daily loads leave behind. The time-release tablets are EPA Safer Choice certified, septic-safe and designed to clea...
Refrigerator Deodorizer
$32.12
In Stock
Part Number: FIX12739141
Refrigerator deodorizers help to reduce bacteria growth and therefore reduce smells and extend the life of food.
Affresh Ice Machine Cleaner
$27.83
In Stock
Part Number: FIX12583750
This nickel-safe, unscented ice machine cleaner measures 16 fluid ounces and is used to remove mineral build-up and hard water and is compatible with several makes and models of freestanding ice machines. To use properly...
VALVE PLATE
$6.51
In Stock
Part Number: FIX18991024
This is a high-quality component which is sourced directly from the original equipment manufacturer for use with Bostitch air compressors. The valve blade is placed in the cylinder head assembly in the valve plates to co...
CYLINDER
$20.33
In Stock
Part Number: FIX18990860
This is an authentic Bostitch component which is specially made for air compressor pumps. It is a hollow, round chamber with smooth walls that houses the piston. If it is damaged or is missing, this will provide an ident...
SCREW TORX M5X16 TT
$6.51
In Stock
Part Number: FIX18990879
This replacement hardware is a high quality item that is specially manufactured for use on Bostitch air compressors. It is an authentic screw that is used to secure the conrod cover to the connecting rod. Please note thi...
Bearing 6001 2rs
$22.37
In Stock
Part Number: FIX18990978
This is an authentic OEM replacement bearing. It is used in various Bostitch and DeWALT machines such as air compressors. Bearings are used to stabilize and buffer moving parts. This allows the part to move in the proper...
CONNECTING ROD
$18.14
In Stock
Part Number: FIX18991030
This is a genuine OEM supplied replacement part that is specially designed for Bostitch air compressors. It is the part that the piston is attached to. The piston is a central component of a pump. It provides both the co...
VALVE LIMITATOR
$6.51
Special Order
Part Number: FIX18990877
This is an authentic manufacturer-sourced replacement part which is specially made for use with Bostitch air compressors. It is a special limitator for the valve. Please make sure to refer to the appropriate diagrams for...
VALVE PLATE ASSEMBLY
$33.47
In Stock
Part Number: FIX18991026
This is a genuine OEM sourced replacement valve kit designed for Bostitch air compressors. The purpose of the valve plate is to allow air into the cylinder. Once the piston starts traveling up the reeds on the valve plat...
Affresh Dishwasher Cleaner Tablets - 6
$22.91
In Stock
Part Number: FIX12345667
Affresh dishwasher Cleaner is specially formulated to help remove limescale and mineral build-up that can be unsightly and could affect your dishwasher's performance. Each tablet is designed to clean inside your machine ...
Affresh Washing Machine Cleaner - 3 pack
$20.71
Special Order
Part Number: FIX1960673
This washing machine cleaner includes three time-release tablets designed to remove odor-causing residues, grime, and buildup from high-efficiency and top-load washing machines. The tablets work by cleaning the tub, pump...
Produce Preserver Filter
$18.54
In Stock
Part Number: FIX3503014
Fresh Flow Produce Preserver is made for your refrigerator to help keep produce fresh for longer by absorbing the chemical, ethylene, that causes your fruits and vegetables to ripen quicker. Your produce could be fresh f...
Affresh Washing Machine Cleaner Tablets – 6 Count
$28.91
In Stock
Part Number: FIX12345661
This Affresh Washing Machine Cleaner deep cleans to help remove the odor-causing residues and grime that daily loads leave behind. The time-release tablets are EPA Safer Choice certified, septic-safe and designed to clea...
Refrigerator Deodorizer
$32.12
In Stock
Part Number: FIX12739141
Refrigerator deodorizers help to reduce bacteria growth and therefore reduce smells and extend the life of food.
Affresh Ice Machine Cleaner
$27.83
In Stock
Part Number: FIX12583750
This nickel-safe, unscented ice machine cleaner measures 16 fluid ounces and is used to remove mineral build-up and hard water and is compatible with several makes and models of freestanding ice machines. To use properly...
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Model Compatibility

This part works with the following models:
Fix Number: FIX18990906
Manufacturer Part Number: AB-9040019
Brand Model Number Description
Bostitch CAP1512-OF Compressor - Air Compressor
Bostitch CAP2000P-OF Compressor - Air Compressor
Bostitch CAP2040P-OF Compressor - Air Compressor
Bostitch CAP60P-OF Compressor - Air Compressor
Bostitch CAP60PB-OF Compressor - Air Compressor
PISTON RING
$ 16.77
  In Stock
Stock Status
 In Stock

Item is in stock and will ship today if your order is placed before 4:00 PM Eastern Standard Time.

If your order is placed after 4:00 PM EST, the in stock items will ship on the next business day.

 On Order

Item is not in stock and usually ships 3-5 business days from the time you place your order.

 Special Order

Item is not in stock and usually ships 10-15 business days from the time you place your order.

 NLA - No Longer Available

This item is no longer being made by the manufacturer, and cannot be added to your shopping cart.