Product Description
Reman Twin Air Brake Compressor – 85mm for Volvo D12 (WABCO SS636)
Part Number(s)
4127040087, 4127040087X
Description
Remanufactured WABCO SS636 twin-cylinder air compressor, engineered for Volvo D12A and D12C engines. Built to OE specs with 85mm pistons, this water-cooled unit delivers up to 12.5 bar operating pressure—ideal for HEAVY DUTY trucks including Volvo FH12, FH16, and FN12 series. Comes flange-mounted with multiple port threads and direct engine lubrication. Trusted to power air brake systems on semis, 18-wheelers, and commercial rigs. Core return required.
Specifications
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Compressor Type: Twin Cylinder
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Piston Diameter: 85 mm
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Piston Stroke: 62 mm
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Swept Volume: 704 cm³
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Max Operating Pressure: 12.5 bar
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Cooling Type: Water-cooled
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Lubrication: Supplied from engine
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Mounting Type: Flange
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Operating Speed: 3000 RPM
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Crankshaft Thread: M20 x 1.5
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Port Threads:
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Ø34.9 mm
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M26 x 1.5
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M12 x 1.5 (multiple)
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M16 x 1.5 (multiple)
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Engine Compatibility: Volvo D12A, D12C
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Truck Compatibility: Volvo FH12, FH16, FN12
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Casting #: SS636
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Condition: Remanufactured
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OE Spec: Yes
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Weight: 18.28 kg / 40.3 lbs
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Dimensions (mm): 321 x 205 x 330
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Calculated Volume: 21.72 dm³
Sold As
Remanufactured – Core charge applicable (refundable upon return of acceptable core)
Cross-Reference(s)
WABCO: 4127040080, 4127040087, 4127040010, 4127040050, 4127040040
Volvo: 20569224, 20382347, 20547525, 85000396, 85000336, 85000117
DAF: 1505917, 1516708, 1526533
PACCAR: 1526533R
Scania: 1932582
Renault: 5021209007, 7420569224
Important Installation Notes
✔Core return required – refund issued upon inspection
✔Fits Volvo D12A and D12C engines – confirm compatibility
✔Water-cooled and flange-mounted – check cooling line alignment
✔Replace worn gaskets and ensure clean mating surface
✔Verify mounting dimensions before install (321 x 205 x 330 mm)
SOLD AS REMANUFACTURED | CORE RETURN REQUIRED
Built to OEM standards | thoroughly cleaned, inspected, and tested to ensure durability, performance, and reliability in demanding applications.
SUPPORT & ORDERING
For technical support, installation guidance, or to confirm fitment, Call: 1-877-243-0442 | Email: sales@fleet-products.com
WHY CHOOSE FLEET PRODUCTS | KBR - HEAVY DUTY TRUCK & TRAILER PARTS?
- Canadian-owned and operated since 1985
- Trusted by fleets, mechanics, and B2B partners across North America
- Fast, reliable shipping across North America
- Competitive pricing with core return refunds
- Price Match Guarantee | Find a better price? We'll beat the difference by 10%!
