10 Best belt tensioner tools of 2025

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Best Choice

1

Gates
Gates 7401-0076 Pencil Type Tension Tester, 30 lbs Deflection Force
Main highlights

Optimal Belt Tension for Longevity
Single-barrel tension tester ensures proper belt tension, extending belt life.

Ideal for Small V-Belts and Synchronous Belts
Perfect for maintaining tension in small V-belts and synchronous belts.

Praised for Ease of Use
Users appreciate its straightforward design and effectiveness in tension testing.
Key specs
- part number:7401-0076
- color:Black
- power source:Corded Electric
- discontinued:No
- measurement:Pounds or Pound-force
9.7

Exceptional

Our Rating
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Value for Money

2

GearWrench
GEARWRENCH 15 Piece Ratcheting Serpentine Belt Tool Set | 3680D
Main highlights

Key Features
Innovative combination of GEARWRENCH ratcheting and serpentine belt tool, offering easy removal/installation with adaptable socket and crowfoot sizes.

Ideal Use Cases
Perfect for vehicles with spring-loaded belt tensioner pulleys, enhancing accessibility and efficiency in automotive repair tasks.

Customer Praise
Highly praised for its versatility and ease of use, especially noted for the ratcheting wrench`s effectiveness in tight spaces.
9.6

Exceptional

Our Rating

9.7
lasts a long time

9.7
Simple to use

9.7
Durability
3

CRAFTSMAN

CRAFTSMAN CMMT98279 CRFT SERPENTINE BELT TOOL KIT
9.3

Excellent

Our Rating

9.7
lasts a long time

9.5
worth the money

9.5
Simple to use
4

Feikenee

Feikenee 15PCS Serpentine Belt Tool Set, Professional Ratcheting Serpentine Belt Tensioner Tool for Removing and Installing Automotive Serpentine Belts
9.0

Excellent

Our Rating
5

GDUKOP

Serpentine Drive Belt Tensioner Idler Pulley Kit Compatible with BMW X3 X5 128i 325i 325xi 328i 328xi 330i 330xi 525i 525xi 528i 528xi 530i 530xi, 3.0L L6, 2006-2013, Replace# ADK0022P 11287535860
8.8

Very Good

Our Rating
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6

OEMTOOLS
OEMTOOLS 24687 Serpentine Belt Tool Set, Includes 3/8 Drive Handle, 1/2 & 3/8 Square Drive Adapters, & 4 Shallow Sockets (13, 15, 16, & 18 mm), Release Spring Pressure & Remove Tensioner Pulley
Main highlights

Effortless Belt Maintenance
Designed for easy removal and installation of serpentine belts, providing necessary leverage and clearance.

Ideal for Tight Spaces
The thin, sturdy design allows access to tensioners in tight areas, enhancing efficiency.

Customer Praised Versatility
Mechanics and DIY enthusiasts appreciate its quality and versatility for simplifying serpentine belt maintenance.
Key specs
- Brand:OEMTOOLS
- Date First Available:January 12, 2017
- Customer Reviews:4.2 out of 5 stars
- Model:OEMTOOL 24687
- Manufacturer:OEMTOOLS
8.5

Good

Our Rating
7

BILITOOLS
BILITOOLS 15-Piece Universal Serpentine Belt Tool Set,Belt Tensioner Tool Kit with Ratcheting Wrench, Crowfoot Wrenches, Socket Adapters.19 mm and 7/8'' ratchet drive.
Main highlights

Versatile Ratcheting Functionality
Combines ratcheting wrench benefits with serpentine belt tool needs.

Ideal for Hard-to-Reach Areas
Extension helps reach difficult belt tensioners effortlessly.

Praised for Accessibility
Users love the tool's ability to fit into tight spots.
8.4

Good

Our Rating
8

JEUCLEL

15PCS Universal Auxiliary Idler Belt Tensioner Pulley Removal Tool Kit, 12-Point 12-19mm (0.47"-0.74") Serpentine Belt Tension Pulley Wrench Set, Engine Timing Belt Tensioning Nut Bolt Screw Remover
8.3

Good

Our Rating
9

BILITOOLS

BILITOOLS 15-Piece Universal Serpentine Belt Tool Set, Ratcheting Serpentine Belt Tensioner Tool Kit
8.1

Good

Our Rating
10

DNA MOTORING

DNA MOTORING 9pc Serpentine Belt Tool Set, Install Remove Serpentine Belts For Spring Loaded, With Case, TOOLS-00538
8.0

Good

Our Rating

10 Best belt tensioner tools of 2025

1

Gates 7401-0076 Pencil Type Tension Tester, 30 lbs Deflection Force

How do we rank?

How do we rank?

Analyzing top stores

2

GEARWRENCH 15 Piece Ratcheting Serpentine Belt Tool Set | 3680D

9.7

9.7

9.7

3

CRAFTSMAN CMMT98279 CRFT SERPENTINE BELT TOOL KIT

9.7

9.5

9.5

4

Feikenee 15PCS Serpentine Belt Tool Set, Professional Ratcheting Serpentine Belt Tensioner Tool for Removing and Installing Automotive Serpentine Belts

5

Serpentine Drive Belt Tensioner Idler Pulley Kit Compatible with BMW X3 X5 128i 325i 325xi 328i 328xi 330i 330xi 525i 525xi 528i 528xi 530i 530xi, 3.0L L6, 2006-2013, Replace# ADK0022P 11287535860

6

OEMTOOLS 24687 Serpentine Belt Tool Set, Includes 3/8 Drive Handle, 1/2 & 3/8 Square Drive Adapters, & 4 Shallow Sockets (13, 15, 16, & 18 mm), Release Spring Pressure & Remove Tensioner Pulley

7

BILITOOLS 15-Piece Universal Serpentine Belt Tool Set,Belt Tensioner Tool Kit with Ratcheting Wrench, Crowfoot Wrenches, Socket Adapters.19 mm and 7/8'' ratchet drive.

8

15PCS Universal Auxiliary Idler Belt Tensioner Pulley Removal Tool Kit, 12-Point 12-19mm (0.47"-0.74") Serpentine Belt Tension Pulley Wrench Set, Engine Timing Belt Tensioning Nut Bolt Screw Remover

9

BILITOOLS 15-Piece Universal Serpentine Belt Tool Set, Ratcheting Serpentine Belt Tensioner Tool Kit

10

DNA MOTORING 9pc Serpentine Belt Tool Set, Install Remove Serpentine Belts For Spring Loaded, With Case, TOOLS-00538

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