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CP247
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BrandFEBI BILSTEIN
MPN29257
OE refs1
SKU0101-29257
GTIN / EAN4027816292579

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Details

SpecificationValue
BrandFEBI BILSTEIN
Fitting PositionLeft
Length [mm]739 mm
Weight [kg]0.33 kg
Stroke [mm]300 mm
Extention Force [N]290 N
Housing Diameter [mm]18 mm
Piston Rod Diameter [mm]8 mm
Mounting points diameter [mm]16.5 mm
Housing length [mm]410.5 mm

OE numbers (1)

Search by this OE number to find compatible parts

Where this part fits

Original-fit position for OE 12785021.

PART — Others
OthersPosition main

About this product

When gas spring bonnet performance matters, the FEBI BILSTEIN 29257 delivers — built to the same dimensional and material standards as the original part it replaces. The part is built to the following specification: Fitting Position: Left, Length [mm]: 739 mm, Weight [kg]: 0, 33 kg, Stroke [mm]: 300 mm, Extention Force [N]: 290 N. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Compatible with SAAB vehicles; use the vehicle selector above to confirm exact fitment for your make, model, and engine variant. Fitment data is sourced from TecDoc, the authoritative European parts catalogue. This part supersedes original equipment references: 0131 77, 12-2221, 12-2658, 12 785 021 and 41 more. Matching these numbers confirms a like-for-like replacement with no loss of function. FEBI BILSTEIN is a recognised supplier of automotive suspension 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 FEBI BILSTEIN

febi bilstein, founded in 1844 in Ennepetal, Germany, is one of the oldest and most comprehensive automotive parts suppliers in the independent aftermarket. febi bilstein offers over 40,000 parts spanning steering, suspension, engine, braking, cooling, and electrical systems. Certified to IATF 16949 and supplying OE-quality components, febi bilstein products undergo rigorous testing to match original equipment performance. With nearly 180 years of German engineering tradition, febi bilstein is the go-to brand for reliable, competitively priced replacement parts.

Suitable cars

Equivalent products (44)

Show all 44 OE numbers
A.Z. MeisterteileAZMT-51-020-2217
DOGA2002203
EQUAL QUALITYMG28033
FERRON1307
FERRON1554
FERRON1619
Frankberg5481FB0039694
G.U.D.GGS010190
HERVINUB1983
HERVINUB1986
HERVINUB1987
JAPANPARTSZS04057
JAPANPARTSZSQ04057
JAPKOZSJ04057
JOHNS65 14 03-91
JUNIOR GAS SPRINGGJ02973936653
KAWE8710 65104
KILEN354005
KRAFT AUTOMOTIVE8507231
KRAFT AUTOMOTIVE8507232
KSH EUROPE1840.0050010
LUCASLSG2245
LUCASLSG2248
LUCASLSG2249
MAGNETI MARELLI430719334005
MAXGEAR12-2221
MAXGEAR12-2658
MDRMGS-704057
MEHA AUTOMOTIVEMH71712
METZGER AUTOTEILE2110495
MONROEML5790
PEMEBLAJAPZS04057
PEMEBLAJAPZSQ04057
Professional Parts83345021
QUINTON HAZELLQTS828233
ROCGS0836
STABILUS0131 77
SWAG57 92 9257
VAICOV50-0038
VAN HECK450 0131 10

Gas Spring Bonnet FEBI BILSTEIN 29257compatible car models

Car modelsSAAB: 9-3 Convertible (YS3F), 9-3 Estate (E50), 9-3 (YS3F, E79, D79, D75)
Engines1,8t; 1.8 i
Year of manufacture2002-2015
Manufacturer article number (MPN)29257
OE part numbers12 785 021
Compatibility check

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Description and what's included

FEBI BILSTEIN 29257 . Extention Force [N]: 290 N. Fitting Position: L. Housing Diameter [mm]: 18 mm. Housing length [mm]: 410,5 mm. Length [mm]: 739 mm. Mounting points diameter [mm]: 16,5 mm. Piston Rod Diameter [mm]: 8 mm. Stroke [mm]: 300 mm

What's included:
  • 1x Gas Spring Bonnet
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 Gas Spring Bonnet compatible with my car?

This Gas Spring Bonnet fits SAAB 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 FEBI BILSTEIN Gas Spring Bonnet have?

This FEBI BILSTEIN Gas Spring Bonnet has the following specifications: Fitting Position: L; Length [mm]: 739 mm; Weight [kg]: 0,33 kg; Stroke [mm]: 300 mm; Extention Force [N]: 290 N; Housing Diameter [mm]: 18 mm. Check the full specifications table above for complete details.

What OE part numbers does this Gas Spring Bonnet replace?

This Gas Spring Bonnet replaces OE part numbers: 12 785 021. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.

How much does a Gas Spring Bonnet cost?

This FEBI BILSTEIN Gas Spring Bonnet is available for £42.99. Gas Spring Bonnet prices vary depending on brand, specifications, and vehicle compatibility. FEBI BILSTEIN parts offer a balance of quality and value, backed by our 14-day money-back guarantee.

How do I know when to replace my Gas Spring Bonnet?

Regular inspection of your Gas Spring Bonnet 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 Gas Spring Bonnet?

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 Gas Spring Bonnet fitted by a professional mechanic.

Can I use this part as a replacement for OE 12 785 021?

Yes, this FEBI BILSTEIN Gas Spring Bonnet is a direct replacement for OE part number 12 785 021. 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 FEBI BILSTEIN 29257 the same as the FEBI BILSTEIN 01783?

No, while both are Gas Spring Bonnet parts, they are different products. The FEBI BILSTEIN 29257 has Fitting Position: L, Length [mm]: 739 mm, Weight [kg]: 0,33 kg. The FEBI BILSTEIN 01783 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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