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CP247
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BrandMONROE
MPNG8003
OE refs18
SKU0037-G8003
GTIN / EAN5412096184369

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Details

SpecificationValue
BrandMONROE
MPNg8003
Weight [kg]4,200 kg
Bore Diameter [mm]32 mm
Length 1 [mm]353 mm
Length 2 [mm]525 mm
Piston Rod Diameter [mm]22 mm
Article number of recommended accessoriesPK164
Article number of recommended accessoriesMK502
paired article numberG8004
Packaging length [cm]51.8 cm
Packaging width [cm]18.2 cm
Packaging height [cm]18.3 cm

OE numbers (18)

Search by this OE number to find compatible parts

Where this part fits

Original-fit position for OE 93179685.

STRUT ASS~Y — Suspension & Frame
Suspension & FramePosition main

About this product

MONROE shock absorber (G8003) 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: Aluminium, Shock Absorber System: Aluminium, Shock Absorber Mounting Type: Cast Iron — 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 OPEL, VAUXHALL applications, allowing a straight-swap installation without drilling or bracket modification. Supersedes manufacturer part numbers: 100555.0, 100 710, 101010, 101011 and 208 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.

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Shock Absorber MONROE G8003compatible car models

Car modelsOPEL: ASTRA H (A04), ASTRA H CLASSIC Estate (A04), ASTRA H CLASSIC Hatchback (A04), ASTRA H CLASSIC Saloon (A04), ASTRA H Estate (A04), ASTRA H Estate Van (L70), ASTRA H GTC (A04), ASTRA H Saloon (A04), ASTRA H TwinTop (A04), ZAFIRA B Box Body/MPV (A05) (+1 more); VAUXHALL: ASTRA Mk V (H) (A04), ASTRA Mk V (H) Estate (A04), ASTRA Mk V (H) Sport Hatch (A04), ASTRA Mk V (H) TwinTop (A04), ASTRAVAN Mk V (H) Estate Van (A04), ZAFIRA Mk II (B) (A05)
Engines1.3 CDTI (L48); 1.7 CDTi (L35); 1.7 CDTi (L69); 1.3 CDTI (L35); 1.3 CDTI (L70); 1.3 CDTI (L08); 1.3 CDTi (L69); 1.6 (L67); 1.6 CNG Turbo VAN (M75); 1.6 FlexFuel (M75); 1.3 CDTi (L35); 1.3 CDTi (L08); 1.6 i 16V (L67); 1.3 CDTi; 1.6
Year of manufacture2004-2019
Manufacturer article number (MPN)G8003
OE part numbers344099, 344155, 344160, 344351, 344380, 344669, 344671, 344673, 344677, 93179397, 93179661, 93179679, 93179685, 93183826, 93195912, 93195915, 93195917, 93195965
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Description and what's included

MONROE g8003 MONROE ORIGINAL (Gas Technology). Article number of recommended accessories: MK502. Article number of recommended accessories: PK164. Bore Diameter [mm]: 32 mm. Guarantee: 19. Length 1 [mm]: 353 mm. Length 2 [mm]: 525 mm. Packaging height [cm]: 18,3 cm. Packaging length [cm]: 51,8 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 OPEL, VAUXHALL 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: 2; Shock Absorber System: 2; Shock Absorber Mounting Type: 3; Shock Absorber Mounting Type: 8; Weight [kg]: 4,200 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: 344099, 344155, 344160, 344351, 344380, 344669, 344671, 344673 and 10 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 £55.99. 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 344099?

Yes, this MONROE Shock Absorber is a direct replacement for OE part number 344099. 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 G8003 the same as the MONROE 10053?

No, while both are Shock Absorber parts, they are different products. The MONROE G8003 has Shock Absorber Type: 2, Shock Absorber Design: 2, 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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