Rolls-Royce Ghost RR4, Wraith RR5 and Dawn RR6

ROLLS-ROYCE WRAITH / DAWN / GHOST RR4 RR5 RR6 AIR SUPPLY DEVICE 6850319

Genuine-spec air suspension supply device / compressor assembly for selected Rolls-Royce Ghost RR4, Wraith RR5 and Dawn RR6 applications. OEM number 6850319 is associated with the Rolls-Royce air suspension system and has been superseded by later references including 6886059 and 37206886059.

PRODUCT SPECIFICATIONS

• Brand: Rolls-Royce
• Models: Ghost / Wraith / Dawn
• Chassis: RR4 / RR5 / RR6
• Product: Air Supply Device / Air Suspension Compressor
• OEM Part Number: 6850319
• Related OEM Numbers: 6886059 / 6782222
• Latest Related Number: 37206886059
• System: Air Suspension / Level Control
• Position: Rear Axle, Center
• Condition: Confirm actual condition
• Installation: Professional installation recommended
• VIN Verification: Recommended

APPLICATIONS

The 6850319 air supply device is associated with the following Rolls-Royce applications:

• Rolls-Royce Ghost RR4 — 2009–2020
• Rolls-Royce Wraith RR5 — 2013–2023
• Rolls-Royce Dawn RR6 — 2016–2023

Parts catalogs and suspension specialists identify 6850319 among the interchangeable/superseded OEM references for the air-suspension supply system used across these models.

AIR SUSPENSION SYSTEM

The air supply device provides compressed air for the vehicle’s air suspension and level-control system. It supplies air to the suspension components and helps maintain the required vehicle ride height.

The assembly is commonly associated with:

• Air suspension compressor
• Valve block
• Air lines
• Electrical connections
• Suspension level control
• Relay
• Mounting components

Exact components included depend on the specific assembly.

OEM PART NUMBER CROSS-REFERENCE

Original reference:

6850319

Related and superseding references include:

• 6886059
• 6782222
• 37206850319
• 37206886059
• 37206782222
• 4154034190

Multiple parts suppliers identify these numbers as related to the same Rolls-Royce air-supply/compressor system.

Always verify the complete OEM number against the vehicle before ordering.

FITMENT

ROLLS-ROYCE GHOST RR4

Compatible with selected first-generation Ghost applications from approximately 2009–2020. The Ghost RR4 uses the same family of air-supply system references including 6850319 and 37206850319.

ROLLS-ROYCE WRAITH RR5

Applicable to selected Wraith RR5 vehicles. Parts specialists list 6850319, 6886059 and 37206886059 among the compatible OEM references.

ROLLS-ROYCE DAWN RR6

Selected Dawn models also use this family of air-suspension compressor references. Parts catalogs list 6850319 and its related numbers for Dawn applications.

CONDITION

Please confirm the actual condition of the unit before listing as new, used or refurbished.

For a used assembly, inspect:

• Compressor motor
• Compressor housing
• Valve block
• Air connections
• Electrical connector
• Mounting bracket
• Relay
• Vibration isolators
• Wiring
• Signs of corrosion
• Signs of overheating
• Previous repairs
• Compressor operating condition

IMPORTANT INSTALLATION INFORMATION

Air-suspension compressor failure can sometimes be caused by an underlying air leak, which forces the compressor to operate for extended periods. Replacing the compressor without addressing the leak can result in another compressor failure.

When replacing the unit, inspect the complete air-suspension system for:

• Air leaks
• Damaged air lines
• Faulty valve blocks
• Suspension leaks
• Compressor relay condition
• Electrical faults
• Suspension height sensors

A new relay may be recommended when installing a replacement compressor, depending on the replacement assembly and manufacturer instructions.

PACKAGE CONTENTS

Depending on the exact unit:

• 1 × Air Supply Device / Compressor Assembly
• Compressor
• Valve block — if included
• Mounting bracket — if included
• Relay — if included
• Electrical connector — if included
• Vibration isolators — if included

Please verify the actual package contents before purchase.

INSTALLATION

Professional installation is recommended.

1. Verify the vehicle VIN.
2. Confirm OEM number 6850319.
3. Check the related/superseded part number.
4. Inspect the existing air-suspension system for leaks.
5. Inspect the compressor relay.
6. Remove the original air supply device.
7. Install the replacement assembly.
8. Connect the air lines and electrical connections.
9. Check mounting points and vibration isolators.
10. Perform required diagnostic procedures.
11. Check suspension system pressure.
12. Check vehicle ride height.
13. Test compressor operation.
14. Check for air leaks.
15. Clear any stored suspension fault codes.

IMPORTANT FITMENT NOTICE

Although 6850319 is associated with the Ghost RR4, Wraith RR5 and Dawn RR6 air-suspension system, not every assembly is automatically interchangeable across every model year and specification.

The OEM number has been superseded by later references, including 6886059 / 37206886059, so VIN and part-number verification is strongly recommended before purchase.

BUYER CHECKLIST

• Brand: Rolls-Royce
• Model: Ghost / Wraith / Dawn
• Chassis: RR4 / RR5 / RR6
• Product: Air Supply Device
• System: Air Suspension
• OEM P/N: 6850319
• Related P/N: 6886059
• Related P/N: 6782222
• Latest Related P/N: 37206886059
• Position: Rear Axle / Center
• Condition: Confirm
• Relay: Confirm
• Valve Block: Confirm
• VIN Compatibility: Recommended

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