Keep cooling-fan airflow matched to engine temperature with the Hayden Standard Duty Thermal Fan Clutch, part number 2705. This standard-rotation unit links the cooling fan to the engine's fan drive and varies how firmly the fan engages as temperature changes. It fits many vehicles, among them the 1988 Chevrolet C1500 4.3L / 5.0L, the 1988 Chevrolet K1500 4.3L / 5.0L and the 1968-1985 Chevrolet Impala 3.8L / 4.1L / 4.3L / 4.4L / 5.0L / 5.7L / 6.6L. See the Buyer's Guide tab for the full list.
Hayden engineers and tests its products to handle heat so your vehicle doesn't have to, and it draws on more than 45 years of automotive cooling experience.
- Built by application: Hayden designs, tests and builds each clutch for the applications it is listed for.
- OE performance, fit and appearance: Designed to match the original clutch in performance, fit and appearance. Hayden rates it as meeting or exceeding OEM requirements.
- Precision machined: Made of aluminum, in a raw aluminum finish.
- Out-of-box installation: Ready to install as supplied. It uses a flange mount with 4 mounting holes and a 5/16-18 bolt thread.
Specifications: The clutch has a 7.2 in overall diameter and a standard duty rating. It is a thermal, non-electronic design with standard rotation. The listed applications use one clutch. Mounting hardware is not included, so consult the vehicle service information for the correct fasteners and whether the originals may be reused. Country of origin: Mexico.
Signs a fan clutch may need replacing: Look for overheating at idle or in slow traffic, a fan that roars constantly or spins too freely, fluid leaking from the clutch, or wobble in the fan. These symptoms can have other causes, so diagnose the cooling system before replacing parts.
