Cloyes 2537 outer engine timing crankshaft gear for the 1975 Chevrolet Malibu 6-cylinder 4.1L and other vehicles sits on the crankshaft and drives the timing chain. Along with the chain, tensioners and guides, it is a core part of the timing system.
- Helical tooth form for quiet operation
- Precision-machined 31.75 mm bore for a true fit
- Precision-tooled tooth form for engine rebuilds and typical replacement jobs
- CAD designed
- Every gear is tested and measured for function, fitment and durability
Quick facts
- Part: Cloyes 2537 engine timing crankshaft gear
- Fits: the 1975 Chevrolet Malibu 6-cylinder 4.1L and other vehicles
- Position: Outer
- Condition: New
A worn gear can show up as chipped, hooked or uneven teeth, or as noise from the timing system. Noise like that can also come from other timing parts, so when the timing cover is off for a rebuild, look over the teeth and keyway and measure the bore against the spec before you replace the gear.
Fits
This gear fits the 1975 Chevrolet Malibu 6-cylinder 4.1L, the 1959-1965 Chevrolet Impala 6-cylinder 3.8L and the 1960-1966 Chevrolet Suburban 6-cylinder 3.8L, and more vehicles beyond them. A 1975 Chevrolet Malibu 6-cylinder 4.1L takes one. If your car is not named here, look it up in the "Vehicles it fits" section.
Specifications
Fit and size
- Position: Outer
- Quantity per vehicle: 1
- Inside and mounting hole diameter: 31.75 mm (1.25 in), 1 hole
- Outside diameter: 79.248 mm (3.12 in)
- Thickness: 22.098 mm (0.87 in)
Build and materials
- Sprocket type: Helical
- Keyway notch: Yes
- Fit: Specific
- Condition: New
In the box
One engine timing crankshaft gear. The timing chain and a thrust bearing are not included.
Product information is for general reference and may contain errors. See our Disclaimer.
Frequently Asked Questions
Does Cloyes 2537 fit the 1959-1965 Chevrolet Impala 6-cylinder 3.8L?
Yes. Cloyes 2537 outer engine timing crankshaft gear fits the 1959-1965 Chevrolet Impala 6-cylinder 3.8L, and that engine takes one gear.
Does the Cloyes 2537 crankshaft gear come with a timing chain?
No. This listing is one engine timing crankshaft gear. The timing chain and a thrust bearing are not included.
What bore size does the Cloyes 2537 crankshaft gear have?
The Cloyes 2537 bore is 31.75 mm (1.25 in) with a keyway notch. The gear is 79.248 mm (3.12 in) across and 22.098 mm (0.87 in) thick.
Is this crankshaft gear helical or straight cut?
It is helical. The helical tooth form is for quiet operation, and the bore is precision machined.
What can a worn crankshaft gear look like?
Worn, chipped or uneven teeth, or noise from the timing system, can be signs of wear. The teeth can be inspected with the engine off and the timing cover removed.
