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Details
| Specification | Value |
|---|---|
| Brand | OPTIMAL |
| MPN | g4-881 |
| Fitting Position | Centre |
| Fitting Position | Front Axle |
| Length [mm] | 1042 mm |
| Bore Diameter [mm] | 10.2 mm |
| Pipe Diameter [mm] | 30 mm |
| Cone Size [mm] | 18.15 mm |
| External Thread 1 [mm] | M16 x 1.50 RHT M mm |
| External Thread 2 [mm] | M16 x 1.50 RHT M mm |
OE numbers (6)
Search by this OE number to find compatible parts
- MERCEDES-BENZ / PUCH—4603301603
- MERCEDES-BENZ / PUCH—4603301903
- MERCEDES-BENZ / PUCH—4603302003
- MERCEDES-BENZ—A4603301603
- MERCEDES-BENZ—A4603301903
- MERCEDES-BENZ—A4603302003
Where this part fits
Original-fit position for OE 4603302003.
What's in the kit
This kit ships with 1 factory-matched components. Each part below is supplied as part of the kit; click any linked MPN to view that component on its own.
| # | Part number | Component | Qty |
|---|---|---|---|
| 1 | G1-1485 | Track Rod End
| 1 |
About this product
When centre rod assembly performance matters, the OPTIMAL G4-881 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: M, Fitting Position: Front Axle, Length [mm]: 1042 mm, Bore Diameter [mm]: Brass, Aluminium mm, Pipe Diameter [mm]: 30 mm. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Compatible with MERCEDES-BENZ, PUCH 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: 027390152524, 027391152524-01, 03024470, 0502249 and 9 more. Matching these numbers confirms a like-for-like replacement with no loss of function. OPTIMAL is a recognised supplier of automotive replacement 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 OPTIMAL
OPTIMAL, founded in Germany, is a well-regarded aftermarket brand specialising in steering, suspension, and wheel bearing components. OPTIMAL produces ball joints, tie rod ends, control arm bushings, wheel bearings, and stabiliser links for European, Asian, and American vehicle applications. Manufactured to stringent quality standards with comprehensive testing protocols, OPTIMAL parts deliver OE-matching fit and performance. Known for excellent value and wide vehicle coverage, OPTIMAL is a popular choice among professional workshops across Europe.
Suitable cars
Equivalent products (7)
Centre Rod Assembly OPTIMAL G4-881 — compatible car models
| Car models | MERCEDES-BENZ: G-CLASS (W460), G-CLASS (W461); PUCH: G-MODELL (W460) |
|---|---|
| Engines | 250 GD (460,3); 250 GD (461); 250 GD (460.337, 460.338) |
| Year of manufacture | 1979-1993 |
| Manufacturer article number (MPN) | G4-881 |
| OE part numbers | 4603301603, 4603301903, 4603302003, A4603301603, A4603301903, A4603302003 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
OPTIMAL g4-881 . adjustable: 2. Bore Diameter [mm]: 10,2 mm. Cone Size [mm]: 18,15 mm. External Thread 1 [mm]: M16 x 1,50 RHT M mm. External Thread 2 [mm]: M16 x 1,50 RHT M mm. Fitting Position: M. Fitting Position: VA. Length [mm]: 1042 mm
- 1x Centre Rod Assembly
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 Centre Rod Assembly compatible with my car?
This Centre Rod Assembly fits MERCEDES-BENZ, PUCH 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 OPTIMAL Centre Rod Assembly have?
This OPTIMAL Centre Rod Assembly has the following specifications: Fitting Position: M; Fitting Position: VA; Length [mm]: 1042 mm; Bore Diameter [mm]: 10,2 mm; Pipe Diameter [mm]: 30 mm; Required quantity: 1. Check the full specifications table above for complete details.
What OE part numbers does this Centre Rod Assembly replace?
This Centre Rod Assembly replaces OE part numbers: 4603301603, 4603301903, 4603302003, A4603301603, A4603301903, A4603302003. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Centre Rod Assembly cost?
Centre Rod Assembly prices vary depending on brand, specifications, and vehicle compatibility. Check the current price above for this OPTIMAL Centre Rod Assembly. All parts come with our 14-day money-back guarantee.
How do I know when to replace my Centre Rod Assembly?
Regular inspection of your Centre Rod Assembly 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 Centre Rod Assembly?
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 Centre Rod Assembly fitted by a professional mechanic.
Can I use this part as a replacement for OE 4603301603?
Yes, this OPTIMAL Centre Rod Assembly is a direct replacement for OE part number 4603301603. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
