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CP247
Gallery
BrandDELPHI
MPNLW21903
OE refs3
SKU0089-LW21903
GTIN / EAN5012759701348

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Details

SpecificationValue
BrandDELPHI
MPNlw21903
CategoryBrake Cylinder
Brake SystemBendix
Piston Diameter [mm]17.5 mm

OE numbers (3)

Search by this OE number to find compatible parts

About this product

Sourced from DELPHI, this brake cylinder (LW21903) combines precision engineering with durable materials to meet the demands of everyday driving and extended service intervals. Technical specifications — Supplementary Article/Supplementary Info: 96, Brake System: Bendix, Piston Diameter [mm]: Fibreglass, Rubber mm — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Verified to fit PEUGEOT, RENAULT models. All compatibility data is cross-checked against the TecDoc database — select your vehicle to confirm the part matches your specific engine and year. This part supersedes original equipment references: 020178, 04-0175, 101-175, 1.17.300 and 54 more. Matching these numbers confirms a like-for-like replacement with no loss of function. DELPHI is a recognised supplier of automotive braking components to independent workshops and dealer networks across Europe. All parts are sourced from authorised distribution channels and carry full manufacturer traceability — you receive exactly the same component supplied to professional garages and dealer workshops. If fitment or specifications do not match your vehicle, our technical team can help identify the correct alternative — use the vehicle selector or contact us with your VIN for a guaranteed-fit recommendation. Replacing worn components on schedule preserves your vehicle's safety, reliability, and resale value — and aftermarket parts from established brands deliver OEM-equivalent performance at a fraction of the dealer price. Every part is dispatched with tracked delivery and a 14-day money-back guarantee with hassle-free returns.

About DELPHI

Delphi Technologies, with roots dating back to 1994 as part of General Motors, is a globally recognised supplier of fuel injection, ignition, and engine management systems. Delphi specialises in diesel injectors, fuel pumps, ignition coils, lambda sensors, and engine management components. As an OE supplier to major manufacturers worldwide, Delphi products are engineered to original factory specifications. With deep expertise in both petrol and diesel fuel systems, Delphi is the professional's choice for precision engine and fuel system components.

Suitable cars

Equivalent products (62)

Show all 62 OE numbers
A.B.S.2127
AKRON-MALÒ89643
AP Automotive Prod.WAP2446
APECBCY1265
ATE-CN020178
ATE-CN24.3217-0906.3
ATE-CN24.3217-1116.3
ATE-CN24-3217-1116-3-02
ATE-CN27.3200-1019.3
AUTO DELTA70175
BENDIX144207
BENDIX211903B
BENDIX221903B
BENDIX621810
BENDIX621903
BOSCHWC224
Brake ENGINEERING4534
Brake ENGINEERINGWC1489BE
Brake ENGINEERINGWC4534
BREMBOA 12 110
CAR3651
CIFAM101-175
CIFAM70175
DANAPHWC166LH
FEDERAL MOGULCW1197
FERODOFHW015
FERODOFHY015
FIRST LINEDW510
FIRST LINEFBW1269
fri.tech.CF014
FTER17020A1
GIRLING5003151
HITECH21270
KAGER39-4225
KAWEW4534
LPR211298
LPR4534£10.99
MAGNETI MARELLI360219230182
METELLI04-0175
METZGER AUTOTEILE101-175
MGAC1611
MINTEXMWC099
MOPRODMWC397
MOTAQUIPVWC264
NK809945
NUOVA TECNODELTA3651
OPTIMALRZ-3545
PEX1.17.300
QUINTON HAZELLBWC3167
QUINTON HAZELLRF17011
RHIAG3651
RHIAGNT3651
ROADHOUSE1517.18
SAMKOC11298
Schaeffler FAGR17020A1
TRUSTINGCF014
TRW2676966090
TRW32966926
TRWBWC151£18.99
UNIPARTGWC1734
VALEO350622
VILLAR623.5773

Brake Cylinder DELPHI LW21903compatible car models

Car modelsPEUGEOT: 309 Hatchback Van (10S, 3S), 309 I (10C, 10A), 309 II (3C, 3A); RENAULT: 11 (B/C37), 11 Hatchback Van (S37), 9 (L42), CLIO II (BB, CB)
Engines1.1; 1.4; 1.1 (B/C371); 1.1 (S371); 1.1 (L421); 1.2 (BB0A, BB0F, BB10, BB1K, BB28, BB2D, BB2H, CB0A,...
Year of manufacture1981-2016
Manufacturer article number (MPN)LW21903
OE part numbers4402.77, 7701 027 201, 7701 033 007
Compatibility check

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Description and what's included

DELPHI lw21903 Brake Cylinder. Brake System: Bendix. Piston Diameter [mm]: 17,5 mm. Supplementary Article/Supplementary Info: 96

What's included:
  • 1x Brake Cylinder
Shipping, returns, warranty

Free UK delivery on orders over £99.00. Tracked standard shipping.

  • Standard delivery: 5–9 business days
  • Order before 5pm — ships the next working day
  • Free returns within 14 days
  • All parts backed by manufacturer warranty

Warranty: 12-month manufacturer warranty on all parts. 14-day money-back guarantee if the part doesn't fit your vehicle.

Frequently Asked Questions

Is this Brake Cylinder compatible with my car?

This Brake Cylinder fits PEUGEOT, RENAULT vehicles. Use the vehicle selector at the top of the page to check exact compatibility — enter your car's make, model, and engine for a confirmed fitment match. All fitment data is verified through TecDoc.

What specifications does this DELPHI Brake Cylinder have?

This DELPHI Brake Cylinder has the following specifications: Supplementary Article/Supplementary Info: 96; Brake System: Bendix; Piston Diameter [mm]: 17,5 mm. Check the full specifications table above for complete details.

What OE part numbers does this Brake Cylinder replace?

This Brake Cylinder replaces OE part numbers: 4402.77, 7701 027 201, 7701 033 007. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.

How much does a Brake Cylinder cost?

This DELPHI Brake Cylinder is available for £9.99. Brake Cylinder prices vary depending on brand, specifications, and vehicle compatibility. DELPHI parts offer a balance of quality and value, backed by our 14-day money-back guarantee.

How do I know when to replace my Brake Cylinder?

Regular inspection of your Brake Cylinder is recommended as part of routine vehicle maintenance. Watch for changes in performance, unusual noises, or visual signs of wear. Consult your vehicle's owner manual for manufacturer-recommended replacement intervals specific to your make and model.

What tools do I need to replace a Brake Cylinder?

Tools required vary by vehicle make and model. Generally, a basic socket set, screwdrivers, and vehicle-specific tools may be needed. We recommend consulting a workshop manual for your specific vehicle, or having the Brake Cylinder fitted by a professional mechanic.

Can I use this part as a replacement for OE 4402.77?

Yes, this DELPHI Brake Cylinder is a direct replacement for OE part number 4402.77. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.

Is the DELPHI LW21903 the same as the DELPHI LW10100?

No, while both are Brake Cylinder parts, they are different products. The DELPHI LW21903 has Supplementary Article/Supplementary Info: 96, Brake System: Bendix, Piston Diameter [mm]: 17,5 mm. The DELPHI LW10100 may differ in dimensions, fitting position, or material composition. Always verify compatibility with your specific vehicle using our vehicle selector, or contact our customer service team for assistance.

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