VolvoBrake Parts

21489991 Air Drier And Parts Component — Volvo FMX

This is an air dryer and component assembly designed to remove moisture and contaminants from the compressed air system in Volvo trucks. It ensures clean, dry air is supplied to the brake system, preventing component freeze-up and corrosion. A failing unit will manifest as a spongy brake pedal, audible air leaks, or excessive moisture in the air tanks.

Air Drier And Parts Component – Part No 21489991 – Volvo Spare Part
Part Specifications
BrandVolvo
CategoryBrake Parts
ConditionAftermarket — OEM Specification
DispatchSame-day from Mumbai (before 3 PM IST)
GST InvoiceAvailable — all orders
Export DocsCommercial invoice, packing list, COO

Compatible Models

Always verify with serial number before ordering.

WhatsApp for Price & Availability☎ Call Mumbai Office

Parts Trading Company  ·  Mumbai, Est. 1956  ·  Same-day dispatch  ·  Ships worldwide  ·  GST invoice included

const P = { partNo:'21489991', name:'Air Drier And Parts Component', brand:'Volvo', brandSlug:'volvo', category:'Brake Parts', catSlug:'brake-parts', condition:'OEM Aftermarket', description:'This is an air dryer and component assembly designed to remove moisture and contaminants from the compressed air system in Volvo trucks. It ensures clean, dry air is supplied to the brake system, preventing component freeze-up and corrosion. A failing unit will manifest as a spongy brake pedal, audible air leaks, or excessive moisture in the air tanks.', xref:['21489991'], models:['Volvo FH','FMX','FE Series trucks — FH400','FH440','FH460','FH500','FH520','FH540','FH600','FM330','FM370','FM410','FM450','FM500','FMX400','FMX420'], specs:[{key:'Part No',val:'21489991'},{key:'Brand',val:'Volvo'},{key:'Category',val:'Brake Parts'},{key:'Condition',val:'Aftermarket — OEM Specification'},{key:'Dispatch',val:'Same-day from Mumbai (before 3 PM IST)'},{key:'GST Invoice',val:'Available — all orders'},{key:'Export Docs',val:'Commercial invoice, packing list, COO'}], relatedParts:[{"partNo": "20770303", "name": "Brake Air Compressor 20770303 85000648 9125120060 For Volvo B12B Bus", "slug": "20770303"}, {"partNo": "HS10040000045", "name": "For Volvo F12 F16 Fl6 Fl7 Fl10 Fl12 Nl10 Nl12 Air Brake Compressor 815", "slug": "HS10040000045"}, {"partNo": "85003351", "name": "Air Brake Compressor 21225199 85003351 4127040190 For Volvo B9L B9R B9", "slug": "85003351"}, {"partNo": "11992515", "name": "2 Pcs Brake Pad Voe11992515 6212689 For Volvo 5350 5350B 860 861 A20 A", "slug": "11992515"}, {"partNo": "20806454", "name": "Clutch Pressure Plate", "slug": "20806454"}, {"partNo": "31262415", "name": "Rear Parking Brake Actuator 82832594 31262415 For Volvo S60 S80 Xc60 X", "slug": "31262415"}], reviews:[{name:'Suresh Nair',loc:'Bengaluru, Karnataka, India',rating:5,text:'Exact match, no modification needed. Part worked immediately. Ordered Monday, arrived Wednesday to site.'},{name:'Dmitri Volkov',loc:'Krasnoyarsk, Russia',rating:5,text:'Second order from PTC for Volvo parts. Reliable sourcing, correct OEM references, excellent export packaging.'},{name:'Mohammed Al Farsi',loc:'Abu Dhabi, UAE',rating:4,text:'Good quality, OEM spec as described. Response was quick and shipping to UAE was 4 days as promised.'}], faq:[{q:'What is the primary function of an air dryer in a heavy truck?',a:'The air dryer removes moisture and contaminants from the compressed air, protecting the brake system and air-powered accessories from damage and freeze-ups.'},{q:'How can I verify if this air dryer fits my specific Volvo truck model?',a:'Check your truck\'s existing air dryer part number against 21489991 and consult your Volvo parts catalog for model year compatibility.'},{q:'What warranty is provided with this Volvo air dryer assembly?',a:'This unit comes with a comprehensive warranty covering defects in materials and workmanship, ensuring peace of mind for your investment.'},{q:'What should be replaced along with the air dryer?',a:'It is recommended to inspect and potentially replace the air dryer filter element, desiccant material, and any associated seals or hoses during replacement.'}], categoryDesc:'Volvo Brake Parts from Parts Trading Company cover the full range of Volvo equipment. We supply OEM-specification aftermarket brake parts sourced from certified manufacturers. PTC has supplied Volvo brake parts to customers across India, UAE, Russia, Indonesia, and Africa since 1956. Our Mumbai warehouse stocks high-turnover Volvo brake parts for same-day dispatch before 3 PM IST.', aiSpecs:[{"key": "Part Type", "val": "Air Dryer Assembly"}, {"key": "Material", "val": "Aluminum, Rubber, Plastic"}, {"key": "Application", "val": "Compressed air system, Brake system"}, {"key": "Service Life", "val": "Replace every 3-5 years or as needed"}, {"key": "Compatibility", "val": "OEM specification"}, {"key": "Condition", "val": "New \u2014 OEM specification aftermarket"}],};script src="/assets/js/product-page.js">

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20770303
Brake Air Compressor 20770303 85000648 9125120060 For Volvo B12B Bus
HS10040000045
For Volvo F12 F16 Fl6 Fl7 Fl10 Fl12 Nl10 Nl12 Air Brake Compressor 815
85003351
Air Brake Compressor 21225199 85003351 4127040190 For Volvo B9L B9R B9
11992515
2 Pcs Brake Pad Voe11992515 6212689 For Volvo 5350 5350B 860 861 A20 A
20806454
Clutch Pressure Plate
31262415
Rear Parking Brake Actuator 82832594 31262415 For Volvo S60 S80 Xc60 X

Browse all Volvo Brake Parts →

Ship This Part To Your Location

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India
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Full shipping information on regional pages · Air freight 2–12 days · GST invoice for India

Installation & Application Notes

Always replace brakes in axle sets. Bed-in new brake pads with 8–10 moderate stops from 40 km/h. Check disc runout with a dial gauge — maximum 0.1 mm. Inspect caliper slides and pistons when replacing pads.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeAir Dryer Assembly
MaterialAluminum, Rubber, Plastic
ApplicationCompressed air system, Brake system
Service LifeReplace every 3-5 years or as needed
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first sign of a failing air dryer is often a spongy brake pedal or a hissing sound from air leaks. If ignored, moisture can build up in the air tanks, leading to corrosion and potential failure of air valves and actuators. This can compromise braking performance and lead to costly repairs.

Installation Tip

Ensure the mounting surface is clean and free of debris before installing the new unit to prevent air leaks. Do not overtighten the mounting bolts, as this can damage the housing.

Service Note

Inspect the air compressor, air tanks, and brake valves for signs of moisture or contamination when replacing the air dryer.