VolvoBrake Parts

HD45018865-1 — For Volvo B7R Air Brake Compressor 21101027

This air brake compressor is a critical component of the vehicle's braking system, responsible for generating compressed air to operate the brakes. It is manufactured to meet stringent quality standards, ensuring reliable performance and durability compared to worn units that may exhibit reduced efficiency or leaks. Operators may notice a spongy brake pedal, longer stopping distances, or audible air leaks when this component begins to fail.

For Volvo B7R Air Brake Compressor 21101027 – Part No HD45018865-1 – 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.

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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 Brake Compressor
MaterialCast iron and steel alloy
ApplicationAir brake system
Service LifeReplace every 5,000 hrs or as needed
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial signs of failure may include a noticeable drop in air pressure or a longer time to build up brake system pressure. If ignored, the compressor may cease to generate adequate air, leading to intermittent brake function. Continued operation without proper air pressure can compromise the vehicle's ability to stop safely.

Installation Tip

Ensure the air intake line is clean and free of debris before connecting it to the new compressor. Avoid overtightening mounting bolts, as this can distort the compressor housing and lead to premature failure.

Service Note

Inspect the air dryer and reservoir tanks for moisture and oil contamination when replacing the air brake compressor.