Open black blow-mold storage case displaying the full 15-piece serpentine belt tool set, including the long extension bar with an orange handle, locking flex-head ratcheting wrench, sockets, and adapters, with a parts reference chart adhered to the inner lid.
Complete 15-piece set displayed, including the long black extension bar with orange handle, chrome locking flex-head ratcheting wrench, three drive adapters, three crowfoot wrenches, and seven 6-point sockets.
Closed black blow-mold storage case with a textured surface and yellow GearWrench label.
Studio shot of the locking flex-head ratcheting wrench showing the chrome finish, black locking lever, and ratcheting box end.
Close-up of the ratcheting wrench head showing the locking lever, flex joint, and transparent overlay indicating the pivoting motion.
Front view of the retail packaging box for the GearWrench 89000 Serpentine Belt Tool Set, featuring product images and key features in English, French, and Spanish.
Technical graphic illustrating the 72-tooth gear mechanism which allows for a minimal 5-degree swing arc for tighter turns.
Technical graphic titled Locking Flex Head For Easier Access, illustrating the wrench head pivoting and locking into different angles.
Graphic illustration titled Pass Through Design demonstrating how the hollow ratcheting head allows the wrench to travel down long threaded bolts.
Technical graphic illustrating off-corner loading technology where force is applied to the flats of the fastener to reduce rounding.
Graphic illustration of the closed black blow mold case labeled For Durable Storage.
Open black blow-mold storage case displaying the full 15-piece serpentine belt tool set, including the long extension bar with an orange handle, locking flex-head ratcheting wrench, sockets, and adapters, with a parts reference chart adhered to the inner lid.
Complete 15-piece set displayed, including the long black extension bar with orange handle, chrome locking flex-head ratcheting wrench, three drive adapters, three crowfoot wrenches, and seven 6-point sockets.
Closed black blow-mold storage case with a textured surface and yellow GearWrench label.
Studio shot of the locking flex-head ratcheting wrench showing the chrome finish, black locking lever, and ratcheting box end.
Close-up of the ratcheting wrench head showing the locking lever, flex joint, and transparent overlay indicating the pivoting motion.
Front view of the retail packaging box for the GearWrench 89000 Serpentine Belt Tool Set, featuring product images and key features in English, French, and Spanish.
Technical graphic illustrating the 72-tooth gear mechanism which allows for a minimal 5-degree swing arc for tighter turns.
Technical graphic titled Locking Flex Head For Easier Access, illustrating the wrench head pivoting and locking into different angles.
Graphic illustration titled Pass Through Design demonstrating how the hollow ratcheting head allows the wrench to travel down long threaded bolts.
Technical graphic illustrating off-corner loading technology where force is applied to the flats of the fastener to reduce rounding.
Graphic illustration of the closed black blow mold case labeled For Durable Storage.
GEARWRENCH

GearWrench Serpentine Belt Tool Set 89000 15 Piece Locking Flex Head Ratcheting Wrench Metric 13 to 19mm Sockets Crowfoot Keys Tensioner Service Kit

In stock
SKU: 89000
$69.97 USD

Description

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GearWrench 89000 15-Piece Metric Serpentine Belt Tool Set

The GearWrench 89000 15-Piece Serpentine Belt Tool Set is a specialized automotive service kit engineered to compress spring-loaded tensioner pulleys in tight engine compartments. Built around a locking flex-head ratcheting wrench and long extension bar, this alloy steel set includes 6-point metric sockets and crowfoot keys from 13mm to 19mm to service domestic and import belt drive systems.

Best Used For:

  • Serpentine Belt Replacement: Compressing spring-loaded automatic belt tensioner pulleys to remove and install accessory drive belts on modern engine bays.
  • Confined Engine Bay Access: Maneuvering around clearance obstructions using the locking flex-head ratcheting wrench and slim extension bar setup.
  • Tensioner Pulley Hardware Servicing: Gripping metric hex tensioner bolts and recessed pulley fittings without stripping or rounding fastener heads.

Key Performance & Safety Features

  • Locking Flex-Head Ratcheting Wrench: Pivoting head locks in multiple positions to clear engine components and maintain continuous torque on tensioners.
  • Modular Long Extension Bar: Connects directly to the ratcheting wrench or socket drives to deliver high-leveraging reach in deep engine bays.
  • 6-Point Sockets & Crowfoot Keys: Includes 13mm through 19mm sizes designed to grip tensioner bolt flats firmly and prevent slipping.
  • Full Polish Chrome Alloy Steel: High-tensile steel components with mirror chrome finish offer high torque resistance and easy chemical cleanup.

What's Included

  • (1) Locking Flex-Head Ratcheting Wrench
  • (1) Long Extension Bar
  • (3) Drive Adapters: 3/8", 1/2", and 3/4"
  • (7) 6-Point Sockets: 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm
  • (3) Crowfoot Wrenches: 13mm, 14mm, 15mm
  • (1) Blow Mold Storage Case

Technical Specifications

Brand GearWrench
Model Number 89000
Measurement System Metric
Piece Count 15 Pieces
Socket Size Range 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm
Crowfoot Sizes 13mm, 14mm, 15mm
Drive Adapters Included 3/8 in., 1/2 in., 3/4 in.
Wrench Mechanism Locking Flex-Head Ratcheting
Tool Material Forged Alloy Steel
Finish Full Polish Chrome
Total Weight 3.53 lbs.
Warranty Full Lifetime Warranty
Pro-Tip: Lock the flex-head ratchet angle before applying leverage on spring-loaded tensioner arms to keep the socket fully seated on the bolt and prevent sudden slip-offs.