Komatsu Wheel Loader Exhaust

Komatsu Wheel Loader Exhaust parts list
Image	Fits Model	Description	Details	Part #	Price	Product Details
	See Details	WA120-3*	Exhaust Manifold		6732-11-5221	$224.00	View Info

Exhaust manifolds and exhaust system components for Komatsu wheel loaders, including turbo exhaust manifolds for S4D102-powered machines across the WA120 series.

Fits Models At A Glance

WA120 Series: WA120-3

Key Notes

Application: Turbo exhaust manifolds designed for Komatsu S4D102 diesel engines found in compact wheel loaders
Part Type: OEM-spec replacement exhaust manifolds for direct bolt-on fitment
Compatibility: Verify engine serial number and machine configuration before ordering; WA120-3 variants may differ
Condition: New replacement parts available for worn, cracked, or warped exhaust manifolds

Why Choose Broken Tractor

✅ Accurate fitment data verified against Komatsu specs
✅ Fast shipping from Baton Rouge, LA and Kimbolton, OH
✅ Knowledgeable staff ready to confirm part compatibility

Frequently Asked Questions

What exhaust manifold fits a Komatsu WA120-3 wheel loader?

Broken Tractor offers the Komatsu S4D102 Turbo Exhaust Manifold, part number 6732-11-5221, for the Komatsu WA120-3 wheel loader. It is built for WA120-3 machines powered by the Komatsu S4D102 diesel engine. WA120-3 variants may differ, so check your engine serial number and machine configuration before ordering.

What engine does the Komatsu 6732-11-5221 exhaust manifold fit?

The 6732-11-5221 is a turbo exhaust manifold for the Komatsu S4D102 diesel engine. In Komatsu wheel loaders, that engine powers compact machines like the WA120-3. Matching the part number on your old manifold to 6732-11-5221 is a good way to confirm you have the right part.

When should I replace the exhaust manifold on a Komatsu WA120-3?

Replace the exhaust manifold on a Komatsu WA120-3 when it is worn, cracked or warped. We carry a new replacement S4D102 turbo exhaust manifold for that job. It is designed for direct bolt-on fitment in place of the original.

Is the Komatsu S4D102 turbo exhaust manifold new or used?

The Komatsu S4D102 Turbo Exhaust Manifold we carry is a new, OEM-spec replacement part. It is designed to bolt on directly in place of the original manifold on WA120-3 wheel loaders. Orders get fast shipping from Baton Rouge, LA and Kimbolton, OH.

How do I make sure an exhaust manifold will fit my Komatsu WA120-3?

Confirm fitment by checking your engine serial number and machine configuration, since WA120-3 variants may differ. Compare the part number on your existing manifold to 6732-11-5221. If you are unsure, call (800) 909-7060 and our parts team can confirm compatibility before you order.