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Hayden 5942 Accessory Drive Belt Idler Assembly
Overview of Hayden Idler Assembly 5942
The Hayden Idler Assembly 5942 is engineered for reliable accessory drive belt tensioning in select Ford, Lincoln, and Mercury vehicles. Designed specifically for models like the Grand Marquis, Town Car, and Continental, this steel idler assembly ensures consistent belt alignment and tension.
- Constructed from durable steel material for long-lasting performance
- Measures 6.25 inches in length with a grey finish
- Features a smooth groove pulley with an outside diameter of 3.3125 inches
- Includes a single mounting hole with a diameter of 0.394 inches for secure installation
- Compatible with back idler belt type and supports belt widths of 1.0625 inches (25.4 mm)
- Pulley width measures 1.25 inches (26.9 mm) for optimal belt contact
Details on the Hayden Idler Assembly Product Line
The Hayden Idler Assembly product line focuses on tensioners and pulleys designed to maintain proper accessory drive belt tension and alignment. This Idler Assembly 5942 is part of that line, providing a reliable back idler solution with precise dimensions and a smooth groove to reduce belt wear. Its steel construction and specific mounting hole design make it suitable for various Ford, Lincoln, and Mercury full-size models.
Technical Description and Specifications
This accessory drive belt idler assembly is crafted from steel, offering strength and resistance to wear. The 6.25-inch length and 3.3125-inch outside diameter pulley accommodate belt widths of approximately 1.0625 inches (25.4 mm). The smooth groove design helps minimize belt slippage and noise. The single mounting hole with a 0.394-inch diameter ensures a secure fit during installation. The grey color finish provides corrosion resistance and a professional appearance under the hood.
Compatible Vehicles and Applications
- Ford Colony Park
- Lincoln Continental
- Mercury Grand Marquis
- Ford LTD and LTD Crown Victoria
- Lincoln Mark VI and Mark VII
- Mercury Marquis
- Lincoln Town Car
Common Issues Addressed by Hayden Idler Assembly 5942
- Accessory drive belt misalignment causing premature belt wear
- Excessive belt noise due to improper tension
- Worn or damaged idler pulleys leading to belt slippage
- Vibration or rattling noises from loose belt components
- Failure of original idler assembly affecting accessory drive performance
Installation Notes and Tips
Ensure the engine is off and cooled before beginning installation. Verify the mounting hole diameter and position match the vehicle’s specifications. Use appropriate tools to remove the old idler assembly and install the Hayden Idler Assembly 5942 securely. Check belt alignment and tension after installation to prevent premature wear. Refer to vehicle service manuals for torque specifications and detailed procedures.
Quality Assurance and Warranty
The Hayden Idler Assembly 5942 is manufactured to meet OEM standards for fit and function. Made from high-quality steel with precise machining, it offers durability and consistent performance. While specific warranty details are not provided, Hayden products typically come with manufacturer-backed quality assurance to support reliable operation in Ford, Lincoln, and Mercury vehicles.
| Brand | Hayden |
| Part Number | 5942 |
| Position | Idler Assembly |
| Belt Type | Back Idler |
| Belt Width IN | 1.0625 |
| Belt Width MM | 25.400 |
| Color | Grey |
| Description | Idlers / Tensioners |
| Groove | Smooth |
| Inside Diameter | .67 |
| Length | 6.25 |
| Material | Steel |
| Mount Hole B Dia. IN | 0.3 |
| Mounting Hole Diameter | 0.394 |
| Mounting Hole Quantity | 1 |
| O.D. MM | 84.138 |
| Outside Diameter | 3.3125 |
| Pulley Width IN | 1.25 |
| Pulley Width MM | 26.9 |
| Style | Idler Assembly |
| Type | Tensioners and Pulleys |
This part fits 37 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1991 | Mercury | Colony Park | N/A | Idler Assembly | |||
| 1991 | Mercury | Grand Marquis | N/A | w/ Bracket; Idler Assembly | |||
| 1990 | Mercury | Colony Park | N/A | Idler Assembly | |||
| 1990 | Mercury | Grand Marquis | N/A | w/ Bracket; Idler Assembly | |||
| 1989 | Mercury | Colony Park | N/A | Idler Assembly | |||
| 1989 | Mercury | Grand Marquis | 5.8L | V8 | N/A | Idler Assembly | |
| 1988 | Ford | LTD Crown Victoria | N/A | Compatible with vehicles equipped with Factory Air.; Idler Assembly | |||
| 1988 | Mercury | Colony Park | N/A | Idler Assembly | |||
| 1988 | Mercury | Grand Marquis | N/A | Idler Assembly | |||
| 1987 | Ford | LTD Crown Victoria | N/A | Compatible with vehicles equipped with Factory Air.; Idler Assembly | |||
| 1987 | Mercury | Colony Park | N/A | Idler Assembly | |||
| 1987 | Mercury | Grand Marquis | N/A | Idler Assembly | |||
| 1986 | Ford | LTD | 5.0L | V8 | N/A | Serpentine Belt; Idler Assembly | |
| 1986 | Mercury | Grand Marquis | Base | 5.0L | V8 | N/A | Compatible with vehicles equipped with Factory Air.; Idler Assembly |
| 1986 | Mercury | Grand Marquis | Base | 5.8L | V8 | N/A | Compatible with vehicles equipped with Factory Air.; Idler Assembly |
| 1986 | Mercury | Grand Marquis | LS | 5.0L | V8 | N/A | Compatible with vehicles equipped with Factory Air.; Idler Assembly |
| 1986 | Mercury | Grand Marquis | LS | 5.8L | V8 | N/A | Compatible with vehicles equipped with Factory Air.; Idler Assembly |
| 1986 | Mercury | Grand Marquis | Colony Park | 5.0L | V8 | N/A | Idler Assembly |
| 1986 | Mercury | Grand Marquis | Colony Park | 5.8L | V8 | N/A | Idler Assembly |
| 1985 | Ford | LTD | 5.8L | V8 | N/A | Idler Assembly | |
| 1985 | Lincoln | Mark VII | 5.0L | V8 | N/A | w/ Fixed Mounting Stud; Idler Assembly | |
| 1985 | Mercury | Grand Marquis | 5.8L | V8 | N/A | Compatible with vehicles equipped with Factory Air.; Idler Assembly | |
| 1984 | Lincoln | Mark VII | 5.0L | V8 | N/A | Idler Assembly | |
| 1984 | Mercury | Grand Marquis | 5.8L | V8 | N/A | Compatible with vehicles equipped with Factory Air.; Idler Assembly | |
| 1983 | Lincoln | Mark VI | N/A | Idler Assembly | |||
| 1983 | Lincoln | Town Car | N/A | Idler Assembly | |||
| 1983 | Mercury | Grand Marquis | 5.8L | V8 | N/A | Compatible with vehicles equipped with Factory Air.; Idler Assembly | |
| 1982 | Lincoln | Mark VI | N/A | Idler Assembly | |||
| 1982 | Lincoln | Town Car | N/A | Idler Assembly | |||
| 1982 | Mercury | Marquis | N/A | Fixed; Idler Assembly | |||
| 1981 | Lincoln | Mark VI | N/A | Idler Assembly | |||
| 1981 | Mercury | Grand Marquis | Base | 5.8L | V8 | N/A | Fixed; Idler Assembly |
| 1981 | Mercury | Marquis | N/A | Fixed; Idler Assembly | |||
| 1980 | Lincoln | Continental | N/A | Idler Assembly | |||
| 1980 | Lincoln | Mark VI | N/A | Idler Assembly | |||
| 1980 | Mercury | Grand Marquis | Base | 5.8L | V8 | N/A | Fixed; Idler Assembly |
| 1980 | Mercury | Marquis | N/A | Fixed; Idler Assembly |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.