Contact Us Live Chat or 1-888-220-8330
Search Bar
Search by Part Number or Keywords
  • My Garage
  • My Account
  • Cart
  • Body & Mirrors
  • Chassis & Brakes
  • Engine & Drivetrain
  • Electrical & Lighting
Help Center
< Back ×
Replacement and OEM Parts for 2009 Chrysler 300 Window Regulator

2009 Chrysler 300 Window Regulator

My Vehicle Change Vehicle
2009 Chrysler 300
Change Vehicle
Vehicle Options
We need more information about your vehicle to make a correct determination of fitment
< Back to View All
Windows & Components
  • Department
  • Types
  • Brands
  • Prices

30 Products found

Show Item:
  • 30
  • 60
  • 90
Sort by:
Recommended
Filter
Sort
View by
  • Dorman OE Solutions Front Driver Side Power Window Regulator And Motor Assembly for 2009 Chrysler 300 - 748-619

    Dorman® OE Solutions Front Driver Side Power Window Regulator And Motor Assembly for 2009 Chrysler 300

    PartNumber: 748-619
    Product Specifications
    • Notes: Exc Anti-Pinch; w/2 Wires; wo/One Touch Up
    • Attachment Type: Bolt On
    • Gear Material: Plastic
    • Installation Hardware Included: No
    • Installation Instructions Included: No
    • Material: Metal/Plastic
    • Micro-controlled (Embedded Logic): No
    • OE Part Number: 5065471AD, 5065471AE, 5065471AF, 5065471AB, 5065471AC
    • Package Contents: 1 Regulator and Motor Assembly
    • Package Quantity: 1
    • Packaging Type: Box
    • Power/Manual: Power
    • UPC: 019495253129
    • Part Description: 2009 Chrysler 300 OE Solutions Front Driver Side Power Window Regulator And Motor Assembly
    More Info
    Vehicle Fitment
    • 2009 Chrysler 300 | All Trims | All Engines
    $84.10
  • ACI Front Driver Side Power Window Regulator and Motor Assembly for 2009 Chrysler 300 - 86973

    ACI® Front Driver Side Power Window Regulator and Motor Assembly for 2009 Chrysler 300

    PartNumber: 86973
    Product Specifications
    • Notes: 6 Pin Connector; w/Auto-up
    • Express Up/Down: Yes
    • Gear Material: Hardened Steel Gear
    • Meets or Exceeds OEM Specs: Yes
    • New or Remanufactured: New
    • Position: Front Left
    • Type: Power
    • UPC: 080738869735
    • Part Description: 2009 Chrysler 300 Front Driver Side Power Window Regulator and Motor Assembly
    More Info
    Vehicle Fitment
    • 2009 Chrysler 300 | All Trims | All Engines
    $179.28
  • Cardone Reman Remanufactured Window Lift Motor for 2009 Chrysler 300 - 42-463

    Cardone Reman® Remanufactured Window Lift Motor for 2009 Chrysler 300

    PartNumber: 42-463
    Product Specifications
    • Notes: Contains Gear;without Regulator
    • E-Waste: Yes
    • Mounting Hole Quantity: 3
    • Mounting Type: Through Hole
    • Product Condition: Remanufactured
    • Product Packing Weight: 1.5 lbs
    • Regulator Included: No
    • Window Motor Use Location: Rear Right; Rear Left; Front Left
    • Wire Quantity: 2
    • Part Description: 2009 Chrysler 300 Remanufactured Window Lift Motor
    More Info
    Vehicle Fitment
    • 2009 Chrysler 300 | All Trims | All Engines
    $46.26
  • Dorman OE Solutions Front Passenger Side Power Window Regulator And Motor Assembly for 2009 Chrysler 300 - 748-620

    Dorman® OE Solutions Front Passenger Side Power Window Regulator And Motor Assembly for 2009 Chrysler 300

    PartNumber: 748-620
    Product Specifications
    • Notes: Exc Anti-Pinch; w/2 Wires; wo/One Touch Up
    • Attachment Type: Bolt On
    • Gear Material: Plastic
    • Installation Hardware Included: No
    • Installation Instructions Included: No
    • Material: Metal/Plastic
    • Micro-controlled (Embedded Logic): No
    • OE Part Number: 5065470AD, 5065470AE, 5065470AF, 5065470AB, 5065470AC
    • Package Contents: 1 Regulator and Motor Assembly
    • Package Quantity: 1
    • Packaging Type: Box
    • Power/Manual: Power
    • UPC: 019495253136
    • Part Description: 2009 Chrysler 300 OE Solutions Front Passenger Side Power Window Regulator And Motor Assembly
    More Info
    Vehicle Fitment
    • 2009 Chrysler 300 | All Trims | All Engines
    $105.17
  • ACI Front Passenger Side Power Window Regulator and Motor Assembly for 2009 Chrysler 300 - 86974

    ACI® Front Passenger Side Power Window Regulator and Motor Assembly for 2009 Chrysler 300

    PartNumber: 86974
    Product Specifications
    • Notes: 6 Pin Connector; w/Auto-up
    • Express Up/Down: Yes
    • Gear Material: Hardened Steel Gear
    • Meets or Exceeds OEM Specs: Yes
    • New or Remanufactured: New
    • Position: Front Right
    • Type: Power
    • UPC: 080738869742
    • Part Description: 2009 Chrysler 300 Front Passenger Side Power Window Regulator and Motor Assembly
    More Info
    Vehicle Fitment
    • 2009 Chrysler 300 | All Trims | All Engines
    $164.01
  • Cardone Reman Remanufactured Window Lift Motor for 2009 Chrysler 300 - 42-468

    Cardone Reman® Remanufactured Window Lift Motor for 2009 Chrysler 300

    PartNumber: 42-468
    Product Specifications
    • Notes: Contains Gear;without Regulator;with 2 Terminals
    • E-Waste: Yes
    • Mounting Hole Quantity: 3
    • Mounting Type: Threaded Hole
    • Product Condition: Remanufactured
    • Product Packing Weight: 1.4 lbs
    • Regulator Included: No
    • Window Motor Use Location: Front Left
    • Wire Quantity: 2
    • Part Description: 2009 Chrysler 300 Remanufactured Window Lift Motor
    More Info
    Vehicle Fitment
    • 2009 Chrysler 300 | All Trims | All Engines
    $87.37
  • Dorman Front Driver Side Power Window Regulator Without Motor for 2009 Chrysler 300 - 749-619

    Dorman® Front Driver Side Power Window Regulator Without Motor for 2009 Chrysler 300

    PartNumber: 749-619
    Product Specifications
    • Notes: Pwr
    • Attachment Type: Bolt On
    • Installation Hardware Included: No
    • Installation Instructions Included: No
    • Material: Metal/Plastic
    • Motor Included: No
    • OE Part Number: 5065475AB, 5065475AD, 5065475AE, 5065475AC
    • Package Contents: 1 Power Regulator
    • Package Quantity: 1
    • Packaging Type: Box
    • Power/Manual: Power
    • UPC: 019495253174
    • Wire Quantity: 0
    • Part Description: 2009 Chrysler 300 Front Driver Side Power Window Regulator Without Motor
    More Info
    Vehicle Fitment
    • 2009 Chrysler 300 | All Trims | All Engines
    $60.48
  • ACI Front Driver Side Power Window Regulator and Motor Assembly for 2009 Chrysler 300 - 86896

    ACI® Front Driver Side Power Window Regulator and Motor Assembly for 2009 Chrysler 300

    PartNumber: 86896
    Product Specifications
    • Notes: 2 pin connector; w/o Auto-up
    • Express Up/Down: No
    • Gear Material: Hardened Steel Gear
    • Meets or Exceeds OEM Specs: Yes
    • New or Remanufactured: New
    • Position: Front Left
    • Type: Power
    • UPC: 080738868967
    • Part Description: 2009 Chrysler 300 Front Driver Side Power Window Regulator and Motor Assembly
    More Info
    Vehicle Fitment
    • 2009 Chrysler 300 | All Trims | All Engines
    $102.89
  • Cardone Reman Remanufactured Window Lift Motor for 2009 Chrysler 300 - 42-469

    Cardone Reman® Remanufactured Window Lift Motor for 2009 Chrysler 300

    PartNumber: 42-469
    Product Specifications
    • Notes: without Regulator;with 2 Terminals;Contains Gear
    • E-Waste: Yes
    • Mounting Hole Quantity: 3
    • Mounting Type: Through Hole
    • Product Condition: Remanufactured
    • Product Packing Weight: 1.4 lbs
    • Regulator Included: No
    • Window Motor Use Location: Front Right
    • Wire Quantity: 2
    • Part Description: 2009 Chrysler 300 Remanufactured Window Lift Motor
    More Info
    Vehicle Fitment
    • 2009 Chrysler 300 | All Trims | All Engines
    $87.60
  • Dorman OE Solutions Rear Driver Side Power Window Regulator And Motor Assembly for 2009 Chrysler 300 - 748-546

    Dorman® OE Solutions Rear Driver Side Power Window Regulator And Motor Assembly for 2009 Chrysler 300

    PartNumber: 748-546
    Product Specifications
    • Attachment Type: Bolt On
    • Gear Material: Plastic
    • Installation Instructions Included: No
    • Material: Metal/Plastic
    • Micro-controlled (Embedded Logic): No
    • OE Part Number: 5065473AC, 5065473AF, 5065473AE, 5065473AD, 5065473AB
    • Package Contents: 1 Regulator and Motor Assembly
    • Package Quantity: 1
    • Packaging Type: Box
    • Power/Manual: Power
    • UPC: 019495258810
    • Part Description: 2009 Chrysler 300 OE Solutions Rear Driver Side Power Window Regulator And Motor Assembly
    More Info
    Vehicle Fitment
    • 2009 Chrysler 300 | All Trims | All Engines
    $43.09
  • ACI Front Passenger Side Power Window Regulator and Motor Assembly for 2009 Chrysler 300 - 86897

    ACI® Front Passenger Side Power Window Regulator and Motor Assembly for 2009 Chrysler 300

    PartNumber: 86897
    Product Specifications
    • Notes: 2 pin connector; w/o Auto-up
    • Express Up/Down: No
    • Gear Material: Hardened Steel Gear
    • Meets or Exceeds OEM Specs: Yes
    • New or Remanufactured: New
    • Position: Front Right
    • Type: Power
    • UPC: 080738868974
    • Part Description: 2009 Chrysler 300 Front Passenger Side Power Window Regulator and Motor Assembly
    More Info
    Vehicle Fitment
    • 2009 Chrysler 300 | All Trims | All Engines
    $102.66
  • Dorman OE Solutions Rear Passenger Side Power Window Regulator And Motor Assembly for 2009 Chrysler 300 - 748-547

    Dorman® OE Solutions Rear Passenger Side Power Window Regulator And Motor Assembly for 2009 Chrysler 300

    PartNumber: 748-547
    Product Specifications
    • Attachment Type: Bolt On
    • Gear Material: Plastic
    • Installation Instructions Included: No
    • Material: Metal/Plastic
    • Micro-controlled (Embedded Logic): No
    • OE Part Number: 5065472AC, 5065472AF, 5065472AD, 5065472AE, 5065472AB
    • Package Contents: 1 Regulator and Motor Assembly
    • Package Quantity: 1
    • Packaging Type: Box
    • Power/Manual: Power
    • UPC: 019495258827
    • Part Description: 2009 Chrysler 300 OE Solutions Rear Passenger Side Power Window Regulator And Motor Assembly
    More Info
    Vehicle Fitment
    • 2009 Chrysler 300 | All Trims | All Engines
    $43.09
  • ACI Front Driver Side Power Window Regulator without Motor for 2009 Chrysler 300 - 381670

    ACI® Front Driver Side Power Window Regulator without Motor for 2009 Chrysler 300

    PartNumber: 381670
    Product Specifications
    • Notes: Pwr
    • Gear Material: Hardened steel gear
    • Meets or Exceeds OEM Specs: Yes
    • Mounting Hardware Included: Not Included
    • New or Remanufactured: New
    • Plastic Roller or Slide: No
    • Position: Front Left
    • Type: Power
    • UPC: 080738816708
    • Part Description: 2009 Chrysler 300 Front Driver Side Power Window Regulator without Motor
    More Info
    Vehicle Fitment
    • 2009 Chrysler 300 | All Trims | All Engines
    $65.22
  • ACI Front Passenger Side Power Window Regulator without Motor for 2009 Chrysler 300 - 381671

    ACI® Front Passenger Side Power Window Regulator without Motor for 2009 Chrysler 300

    PartNumber: 381671
    Product Specifications
    • Notes: Pwr
    • Gear Material: Hardened steel gear
    • Meets or Exceeds OEM Specs: Yes
    • Mounting Hardware Included: Not Included
    • New or Remanufactured: New
    • Plastic Roller or Slide: No
    • Position: Front Right
    • Type: Power
    • UPC: 080738816715
    • Part Description: 2009 Chrysler 300 Front Passenger Side Power Window Regulator without Motor
    More Info
    Vehicle Fitment
    • 2009 Chrysler 300 | All Trims | All Engines
    $65.22
  • ACI Rear Driver Side Power Window Regulator and Motor Assembly for 2009 Chrysler 300 - 86975

    ACI® Rear Driver Side Power Window Regulator and Motor Assembly for 2009 Chrysler 300

    PartNumber: 86975
    Product Specifications
    • Notes: 2 Pin Connector
    • Gear Material: Hardened Steel Gear
    • Meets or Exceeds OEM Specs: Yes
    • New or Remanufactured: New
    • Position: Rear Left
    • Type: Power
    • UPC: 080738869759
    • Part Description: 2009 Chrysler 300 Rear Driver Side Power Window Regulator and Motor Assembly
    More Info
    Vehicle Fitment
    • 2009 Chrysler 300 | All Trims | All Engines
    $58.70
  • OEM (Genuine) 2009 Chrysler 300 Window Regulator Front Left

    PartNumber: 5065471AF
    OEM 2009 Chrysler 300 Window Regulator Front Left - 5065471AF
    Product Specifications
    • Notes: W/One Touch Feature; Charger, Magnum, 300; W/One Touch Power Windows; Left
    • Location: Driver Side
    • Other Names: Window Regulator
    • Item Dimensions: 26.4 x 22.4 x 4.8 inches
    • Item Weight: 5.70 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 5065471AC, 5065471AD, 5065471AE
    • Part Description: 2009 Chrysler 300 Window Regulator Front Left
    More Info
    Vehicle Fitment
    • 2009 Chrysler 300 | Base, C, C SRT8, Limited, LX, S, Signature Series, Touring | 6 Cyl 2.7 L GAS, 6 Cyl 3.5 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.1 L GAS
    $398.19 MSRP: $605.00
    You Save: $206.81 (35%)
  • OEM (Genuine) 2009 Chrysler 300 Rear Door Window Regulator

    PartNumber: 5065472AF
    OEM 2009 Chrysler 300 Rear Door Window Regulator - 5065472AF
    Product Specifications
    • Notes: Charger, Magnum, 300; Right
    • Location: Passenger Side
    • Other Names: Window Regulator
    • Item Dimensions: 25.1 x 12.8 x 2.6 inches
    • Item Weight: 4.50 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 5065472AE, 5065472AC, 5065472AD, 5065472AB
    • Part Description: 2009 Chrysler 300 Rear Door Window Regulator
    More Info
    Vehicle Fitment
    • 2009 Chrysler 300 | Base, C, C SRT8, Limited, LX, S, Signature Series, Touring | 6 Cyl 2.7 L GAS, 6 Cyl 3.5 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.1 L GAS
    $136.04 MSRP: $198.00
    You Save: $61.96 (32%)
  • OEM (Genuine) 2009 Chrysler 300 Rear Door Window Regulator

    PartNumber: 5065473AF
    OEM 2009 Chrysler 300 Rear Door Window Regulator - 5065473AF
    Product Specifications
    • Notes: Charger, Magnum, 300; Left
    • Location: Driver Side
    • Other Names: Window Regulator
    • Item Dimensions: 24.6 x 12.9 x 3.6 inches
    • Item Weight: 4.30 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 5065473AD, 5065473AC, 5065473AB, 5065473AE
    • Part Description: 2009 Chrysler 300 Rear Door Window Regulator
    More Info
    Vehicle Fitment
    • 2009 Chrysler 300 | Base, C, C SRT8, Limited, LX, S, Signature Series, Touring | 6 Cyl 2.7 L GAS, 6 Cyl 3.5 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.1 L GAS
    $254.85 MSRP: $371.00
    You Save: $116.15 (32%)
  • Cardone Reman Remanufactured Window Lift Motor for 2009 Chrysler 300 - 42-462

    Cardone Reman® Remanufactured Window Lift Motor for 2009 Chrysler 300

    PartNumber: 42-462
    Product Specifications
    • Notes: Contains Gear;without Regulator
    • E-Waste: Yes
    • Mounting Hole Quantity: 3
    • Mounting Type: Through Hole
    • Product Condition: Remanufactured
    • Product Packing Weight: 1.5 lbs
    • Regulator Included: No
    • Window Motor Use Location: Front Right; Rear Left; Rear Right
    • Wire Quantity: 2
    • Part Description: 2009 Chrysler 300 Remanufactured Window Lift Motor
    More Info
    Vehicle Fitment
    • 2009 Chrysler 300 | All Trims | All Engines
    $47.41
  • OEM (Genuine) 2009 Chrysler 300 Window Regulator Front Passenger Side

    PartNumber: 5065474AE
    OEM 2009 Chrysler 300 Window Regulator Front Passenger Side - 5065474AE
    Product Specifications
    • Notes: W/Express Up & Down; Charger, Magnum, 300; W/O One Touch Power Window; Right
    • Location: Passenger Side
    • Other Names: Window Regulator
    • Item Dimensions: 4.6 x 21.3 x 26.2 inches
    • Item Weight: 5.90 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 5065474AD, 5065474AC
    • Part Description: 2009 Chrysler 300 Window Regulator Front Passenger Side
    More Info
    Vehicle Fitment
    • 2009 Chrysler 300 | Base, C, C SRT8, Limited, LX, S, Signature Series, Touring | 6 Cyl 2.7 L GAS, 6 Cyl 3.5 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.1 L GAS
    $285.59 MSRP: $426.00
    You Save: $140.41 (33%)
  • OEM (Genuine) 2009 Chrysler 300 Window Regulator Front Left

    PartNumber: 5065475AE
    OEM 2009 Chrysler 300 Window Regulator Front Left - 5065475AE
    Product Specifications
    • Notes: W/Express Up & Down; Charger, Magnum, 300; W/O One Touch Power Window; Left
    • Location: Driver Side
    • Other Names: Window Regulator
    • Item Dimensions: 4.9 x 22.6 x 26.7 inches
    • Item Weight: 5.90 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 5065475AD, 5065475AC
    • Part Description: 2009 Chrysler 300 Window Regulator Front Left
    More Info
    Vehicle Fitment
    • 2009 Chrysler 300 | Base, C, C SRT8, Limited, LX, S, Signature Series, Touring | 6 Cyl 2.7 L GAS, 6 Cyl 3.5 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.1 L GAS
    $291.19 MSRP: $434.00
    You Save: $142.81 (33%)
  • OEM (Genuine) 2009 Chrysler 300 Front Door Window Regulator Right

    PartNumber: 5065470AF
    OEM 2009 Chrysler 300 Front Door Window Regulator Right - 5065470AF
    Product Specifications
    • Notes: W/One Touch Feature; Charger, Magnum, 300; W/One Touch Power Windows; Right
    • Location: Passenger Side
    • Other Names: Window Regulator
    • Item Dimensions: 4.5 x 21.3 x 25.9 inches
    • Item Weight: 5.70 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 5065470AD, 5065470AE, 5065470AC
    • Part Description: 2009 Chrysler 300 Front Door Window Regulator Right
    More Info
    Vehicle Fitment
    • 2009 Chrysler 300 | Base, C, C SRT8, Limited, LX, S, Signature Series, Touring | 6 Cyl 2.7 L GAS, 6 Cyl 3.5 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.1 L GAS
  • AISIN Power Window Regulator And Motor Assembly for 2009 Chrysler 300 - RPACH-033

    AISIN® Power Window Regulator And Motor Assembly for 2009 Chrysler 300

    PartNumber: RPACH-033
    Product Specifications
    • Part Description: 2009 Chrysler 300 Power Window Regulator And Motor Assembly
    Vehicle Fitment
    • 2009 Chrysler 300 | All Trims | All Engines
  • AISIN Power Window Regulator And Motor Assembly for 2009 Chrysler 300 - RPACH-034

    AISIN® Power Window Regulator And Motor Assembly for 2009 Chrysler 300

    PartNumber: RPACH-034
    Product Specifications
    • Part Description: 2009 Chrysler 300 Power Window Regulator And Motor Assembly
    Vehicle Fitment
    • 2009 Chrysler 300 | All Trims | All Engines
  • AISIN Power Window Regulator Without Motor for 2009 Chrysler 300 - RPCH-021

    AISIN® Power Window Regulator Without Motor for 2009 Chrysler 300

    PartNumber: RPCH-021
    Product Specifications
    • Notes: Part Attribute 1 w/o Motor
    • Part Description: 2009 Chrysler 300 Power Window Regulator Without Motor
    Vehicle Fitment
    • 2009 Chrysler 300 | All Trims | All Engines
  • AISIN Power Window Regulator Without Motor for 2009 Chrysler 300 - RPCH-022

    AISIN® Power Window Regulator Without Motor for 2009 Chrysler 300

    PartNumber: RPCH-022
    Product Specifications
    • Notes: Part Attribute 1 w/o Motor
    • Part Description: 2009 Chrysler 300 Power Window Regulator Without Motor
    Vehicle Fitment
    • 2009 Chrysler 300 | All Trims | All Engines
  • AISIN Power Window Regulator Without Motor for 2009 Chrysler 300 - RPCH-049

    AISIN® Power Window Regulator Without Motor for 2009 Chrysler 300

    PartNumber: RPCH-049
    Product Specifications
    • Notes: Part Attribute 1 w/o Motor
    • Part Description: 2009 Chrysler 300 Power Window Regulator Without Motor
    Vehicle Fitment
    • 2009 Chrysler 300 | All Trims | All Engines
  • Cardone Reman Remanufactured Window Lift Motor for 2009 Chrysler 300 - 42-474

    Cardone Reman® Remanufactured Window Lift Motor for 2009 Chrysler 300

    PartNumber: 42-474
    Product Specifications
    • Notes: with 6 Terminals;Contains Gear;without Regulator
    • E-Waste: Yes
    • Mounting Hole Quantity: 3
    • Mounting Type: Through Hole
    • Product Condition: Remanufactured
    • Product Packing Weight: 1.5 lbs
    • Regulator Included: No
    • Window Motor Use Location: Front Left; Front Right
    • Wire Quantity: 6
    • Part Description: 2009 Chrysler 300 Remanufactured Window Lift Motor
    More Info
    Vehicle Fitment
    • 2009 Chrysler 300 | All Trims | All Engines
  • AISIN Power Window Regulator Without Motor for 2009 Chrysler 300 - RPCH-050

    AISIN® Power Window Regulator Without Motor for 2009 Chrysler 300

    PartNumber: RPCH-050
    Product Specifications
    • Notes: Part Attribute 1 w/o Motor
    • Part Description: 2009 Chrysler 300 Power Window Regulator Without Motor
    Vehicle Fitment
    • 2009 Chrysler 300 | All Trims | All Engines
  • ACI Power Window Regulator And Motor Assembly for 2009 Chrysler 300 - 86976

    ACI® Power Window Regulator And Motor Assembly for 2009 Chrysler 300

    PartNumber: 86976
    Product Specifications
    • Notes: 2 Pin Connector
    • Gear Material: Hardened Steel Gear
    • Meets or Exceeds OEM Specs: Yes
    • New or Remanufactured: New
    • Position: Rear Right
    • Type: Power
    • UPC: 080738869766
    • Part Description: 2009 Chrysler 300 Power Window Regulator And Motor Assembly
    More Info
    Vehicle Fitment
    • 2009 Chrysler 300 | All Trims | All Engines