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CP247
Gallery
BrandMONROE
MPN26663
OE refs28
SKU0037-26663
GTIN / EAN5412096490538

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Details

SpecificationValue
BrandMONROE
Weight [kg]3,000 kg
Bore Diameter [mm]35 mm
Length 1 [mm]457 mm
Length 2 [mm]559 mm
Piston Rod Diameter [mm]15.8 mm
Article number of recommended accessoriesMK190
Article number of recommended accessoriesPK088
Packaging length [cm]62 cm
Packaging width [cm]13.8 cm
Packaging height [cm]13.8 cm

OE numbers (28)

Search by this OE number to find compatible parts

Where this part fits

Original-fit position for OE 4B0412031CD. The red ring marks where this part installs on the vehicle.

Gas shock absorber marked with: ***** Caution Hazardous ****** — A6 A6/S5 Avant Quattro C5 (Typ 4B) (2002–2004) — Shock absorbers
A6 A6/S5 Avant Quattro C5 (Typ 4B) (2002–2004) · Shock absorbersPosition 2

About this product

MONROE shock absorber (26663) restores factory damping characteristics by controlling spring oscillation on both compression and rebound strokes, recovering steering precision and reducing body roll. Damping configuration — Shock Absorber Type: Aluminium, Shock Absorber Design: Cast Iron, Shock Absorber System: Aluminium, Shock Absorber Mounting Type: Plastic — is tuned to the original suspension geometry so spring rates and ride height are unaffected, preserving the manufacturer's comfort and handling balance. Mounting dimensions, piston diameter, and stroke length replicate the OEM unit on AUDI, SKODA, VW applications, allowing a straight-swap installation without drilling or bracket modification. Supersedes manufacturer part numbers: 01881, 05663, 062466GB, 07.30.001 and 287 more. MONROE dampers are gas-pressure charged, zero-leakage tested on a servo-hydraulic rig, and carry a 2-year unlimited-mileage warranty against manufacturing defects. Shock absorbers gradually lose damping force over time and should be inspected at 50,000 miles and replaced by 80,000–100,000 miles — even if they are not visibly leaking, internal valve wear reduces their effectiveness. Warning signs include excessive body roll in corners, nose-dive under braking, rear-end squat during acceleration, uneven tyre wear, and a bouncy or floaty ride — a simple bounce test (push down on each corner and release) can reveal weak dampers. Shock absorber replacement is an intermediate DIY task that requires spring compressors (for strut-type assemblies), a torque wrench, and penetrating oil for corroded fasteners — allow 2–3 hours per axle. When selecting shock absorbers, match the damper type (twin-tube, monotube, or gas-pressurised) to the original specification — upgrading to a different type can alter ride height and handling characteristics. Always replace shock absorbers in pairs (both sides of the same axle) to maintain balanced handling, and have the wheel alignment checked afterwards — worn dampers often allow geometry to drift out of specification. Every part is dispatched with tracked delivery and a 14-day money-back guarantee with hassle-free returns.

About MONROE

Monroe, founded in 1916 in Monroe, Michigan, USA, is one of the world's most recognised shock absorber brands, now part of the Tenneco group. Monroe specialises in shock absorbers, struts, coil spring assemblies, and suspension mounting kits. As an OE supplier to major American and European car manufacturers, Monroe products are designed for precise fitment and optimal ride comfort. With over a century of ride control expertise and patented damping technologies, Monroe delivers safe, comfortable suspension performance for millions of vehicles worldwide.

Suitable cars

Equivalent products (200)

Show all 200 OE numbers
ACEMARK104322
ACEMARK104775
ACEMARK105662
AIC52034
AIC52564
AIC52579
AL-KO106723
AL-KO201013
AL-KO201213
AL-KO201283
AL-KO201413
AL-KO2101G
AL-KO2121G
AL-KO2128G
AL-KO2141G
AL-KO810040
AL-KO810041
APECASA1171
ASAM AUTOMOTIVE05663
ASAM AUTOMOTIVE70453
ASHUKI by PalidiumPAL9-0042
AUTOMEGA110066610
AUTOMEGA110071210
BENDIX062466GB
BILSTEINBNE-B992
BILSTEINBNE-B993
BILSTEINVNE-4577
BOGE33-087-F
BOGE33-116-A
BOGE33-117-A
BOGE33-117-F
BOGE33-118-F
BOGE33-202-A
BOGE33-203-A
BSGBSG 90-300-012
DIAMAXAP01070
DIEDERICHS9970162
DIEDERICHS9970180
DJ PARTSDS1946GT
DODA1060140003
EGT373436EGT
EUROREPAR1623319880
EUROREPAR1623320380
EUROREPAR1635544880
EUROREPAR1635545280
EUROREPAR1635545380
EUROREPAR1635549080
FENOXA21008
FENOXA21021
FISPAF210G1382
FISPAF210G1397
ForcetechC5511301
ForcetechN7211302
ForcetechPN7411501
GABRIEL50024
GABRIEL69087
GABRIELG51055
GABRIELG51056
GABRIELG51057
GABRIELG51058
GABRIELG51101
GABRIELG51277
GHGH-334701
GHGH334701
GOLD8450021
GOLD8450027
GOLD8450051
GOLD9131024
GOLD9410013
GOLD9450021
GOLD9450027
GOLD9450051
GOLD9450251
GOLD9450465
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GOLD9450809
GOLD9450907
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GOOMF210G1382
GOOMF210G1397
HERTH+BUSS JAKOPARTSJ4300883
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JAPANPARTS9131024
JAPANPARTS9450051
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JAPANPARTSMM-00501
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JAPKOMJ00049
JP GROUP1142108400
KAGER81-0065
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KLAXCAR FRANCE46227z
KLAXCAR FRANCE46228z
KONI82-2488
KONI82-2488SPORT
KONI82-2502SPORT
KONI82-2516SPORT
KONI8245-1071
KONI8245-1072
KONI8250-1001
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KRAFT AUTOMOTIVE4000561
KRAFT AUTOMOTIVE4000570
KRAFT AUTOMOTIVE4010005
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LTMC26060
LTMC26062
LTMC26066
LTMD26062
MAGNETI MARELLI354321070000
MANDOMSS025023
MAPCO20865
MAPCO40808
MASTER-SPORT GERMANY16K005031
MASTER-SPORT GERMANY16K005033
MASTER-SPORT GERMANY16K006511
MASTER-SPORT GERMANY16K006513
MASTER-SPORT GERMANY290186-PCS-MS
MASTER-SPORT GERMANY557837H-O-PCS-MS
MASTER-SPORT GERMANY557837H-PCS-MS
MAXGEAR11-0181
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Maysan MandoC5511301
MDRMSH-700049
MDRMSH-700501
MDRMSH-700744
MEC-DIESEL469950
METZGER AUTOTEILE2340130
MGAAM5042
MGAAM5165
MGAAM5462
MONROE376044SP
MONROE376054SP
MONROEE2047
MONROEE2048
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MONROE-AU26654
MONROE-AU26655
MONROE-AU26663
MONROE-AU376044SP
MONROE-AU376054SP
MONROE-AUE2049
NAPANSA1171
NK65472128
NOVAT IBERICA120151
NOVAT IBERICA120161
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Omnicraft2166055
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Shock Absorber MONROE 26663compatible car models

Car modelsAUDI: A6 C5 (4B2, 4B4), A6 C5 Avant (4B5, 4B6); SKODA: SUPERB I (3U4); VW: PASSAT B5 (3B2), PASSAT B5.5 (3B3), PASSAT B5.5 Variant (3B6), PASSAT B5 Variant (3B5)
Engines1.8; 1.8 T; 1.9 TDI; 1.6
Year of manufacture1996-2008
Manufacturer article number (MPN)26663
OE part numbers3B0413031J, 3B0413031P, 3B0413031Q, 3B0413031R, 3B0413031S, 3B7413031, 4B0412031AN, 4B0412031AP, 4B0412031BC, 4B0412031BD, 4B0412031BM, 4B0412031BN, 4B0412031BP, 4B0412031BQ, 4B0412031CD, 4B0412031CE, 4B0412031CF, 4B0412031K, 4B0412031L, 4B0412031P (+8 more)
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Description and what's included

MONROE 26663 MONROE ORIGINAL (Gas Technology). Article number of recommended accessories: MK190. Article number of recommended accessories: PK088. Bore Diameter [mm]: 35 mm. Guarantee: 19. Length 1 [mm]: 457 mm. Length 2 [mm]: 559 mm. Packaging height [cm]: 13,8 cm. Packaging length [cm]: 62 cm

What's included:
  • 1x Shock Absorber
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 Shock Absorber compatible with my car?

This Shock Absorber fits AUDI, SKODA, VW 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 MONROE Shock Absorber have?

This MONROE Shock Absorber has the following specifications: Shock Absorber Type: 2; Shock Absorber Design: 3; Shock Absorber System: 2; Shock Absorber Mounting Type: 6; Shock Absorber Mounting Type: 3; Weight [kg]: 3,000 kg. Check the full specifications table above for complete details.

What OE part numbers does this Shock Absorber replace?

This Shock Absorber replaces OE part numbers: 3B0413031J, 3B0413031P, 3B0413031Q, 3B0413031R, 3B0413031S, 3B7413031, 4B0412031AN, 4B0412031AP and 20 more. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.

How much does a Shock Absorber cost?

This MONROE Shock Absorber is available for £56.99. Shock Absorber prices vary depending on brand, specifications, and vehicle compatibility. MONROE parts offer a balance of quality and value, backed by our 14-day money-back guarantee.

How do I know when to replace my Shock Absorber?

Look for excessive bouncing over bumps, nose-diving during braking, uneven tyre wear, fluid leaks on the shock body, or poor handling. Shocks should be inspected every 50,000 miles.

What tools do I need to replace a Shock Absorber?

Tools needed: floor jack, axle stands, 18-21mm socket for wheel bolts, spring compressor (if top mount must be removed), 17-19mm open-end spanner for shock piston nut, torque wrench. Difficulty: Moderate DIY. Safety warning: Coil springs store enormous energy -- only use purpose-built automotive spring compressors rated for the load. A spring released unexpectedly can cause fatal injury. Never improvise with non-rated tools.

Can I use this part as a replacement for OE 3B0413031J?

Yes, this MONROE Shock Absorber is a direct replacement for OE part number 3B0413031J. 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 MONROE 26663 the same as the MONROE 10053?

No, while both are Shock Absorber parts, they are different products. The MONROE 26663 has Shock Absorber Type: 2, Shock Absorber Design: 3, Shock Absorber System: 2. The MONROE 10053 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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