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AllTitanParts

(713) 931-0006

Titan 0290409 Pulley

Titan 0290409 Pulley

Sourced From:
Titan Tools Inc.

 

Titan part 0290409 is a replacement drive pulley used to transfer power from the engine or motor to the pump on compatible PowrTwin airless sprayers. The pulley features precision‑machined grooves for proper belt tracking and vibration‑free operation.

Part Number 0290409
Part Description Pulley
Brand Titan
Fits PowrTwin 4900, 6900, 8900, 12000 Plus, 12000 Plus DI
Condition New

Retail Price: $119.4
You save: $12.42 (10.40%)
Our Price: $106.98

 

Drive Pulley for PowrTwin Airless Sprayers

The Titan 0290409 Drive Pulley is an OEM replacement component designed for PowrTwin 4900, 6900, 8900, 12000 Plus, and 12000 Plus DI sprayers. It mounts to the engine or motor crankshaft and drives the pump via a V‑belt or flat belt, depending on the model.

A worn, cracked, or damaged pulley can cause belt slippage, reduced spray pressure, unusual vibration, or complete loss of pump drive. Replacing the pulley restores proper belt alignment, consistent power transfer, and smooth sprayer operation.

Service Guidance: Always inspect the drive belt and belt tension when replacing the pulley. A worn belt will quickly damage a new pulley. Use a belt tension gauge or follow the manufacturer's deflection spec. Also verify that the crankshaft keyway is clean and that the set screw or retaining bolt is torqued correctly.

What it does and when to replace it

What the drive pulley does
Power transmission Transfers rotational energy from engine/motor to pump
Speed regulation Pulley diameter determines pump RPM and output pressure
Belt alignment Maintains proper tracking to reduce belt wear and noise
When replacement is recommended
Cracked or broken pulley Visible damage, especially around the hub or rim
Worn grooves Grooves are shiny, hooked, or no longer grip the belt properly
Bent or wobbling Pulley runs out of true, causing vibration and belt slap
Bore damage Keyway wallowed out or set screw threads stripped

Compatibility

Titan part 0290409 is a direct replacement for the following PowrTwin models. Confirm your sprayer's original pulley diameter and bore size before ordering.

Brand / Model Components
PowrTwin 4900 Pulley
PowrTwin 6900 Pulley
PowrTwin 8900 Pulley
PowrTwin 12000 Plus Pulley
PowrTwin 12000 Plus DI Pulley

Related parts commonly serviced together

When replacing the drive pulley, inspect these associated components to ensure reliable operation.

Drive belt (V‑belt or flat belt)

Always replace the belt when installing a new pulley. An old, glazed, or stretched belt will wear the new pulley prematurely.

Crankshaft key & set screw

A sheared or worn key can cause slippage and damage the pulley bore. Replace with new hardware.

Pump pulley & bearing

If the pump pulley is also damaged or the pump bearings are seized, replace them together to avoid repeat failure.

Frequently Asked Questions

It is a replacement drive pulley for PowrTwin 4900, 6900, 8900, 12000 Plus, and 12000 Plus DI airless sprayers. It transfers power from the engine/motor to the spray pump via a belt.

Common signs include visible cracks, worn or hooked belt grooves, wobbling during rotation, belt squeal that doesn't stop with tension adjustment, or the sprayer losing pressure despite the engine running normally.

Most installations require a socket or wrench for the retaining bolt, a puller tool if the pulley is seized onto the crankshaft, and a torque wrench for reassembly. Some models may have a set screw that requires an Allen key.

Yes — it is strongly recommended. A worn or glazed belt will not mate properly with the new pulley, leading to rapid wear of the pulley grooves and continued performance issues. Replace both as a set for best results.

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