KYB Shock Absorber Rear - Excel-G 344455 - 350Z
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344455 · KYB Excel-G · Shock Absorber Rear · Sold Individually · 2 Required 350Z · 2003 to 2008
KYB Excel-G Shock Absorber 344455 – Nissan 350Z Rear
344455 · Excel-G · Rear Axle · Nissan 350Z Z33 · 2003 to 2008
The KYB 344455 is the rear shock absorber for the Nissan 350Z Z33 across the full production run from 2003 to 2008, covering both the DE and HR variants. It is part of KYB's Excel-G series KYB's OEA (Original Equipment for the Aftermarket) range, built on the same assembly lines and using the same components as KYB's original equipment products supplied to vehicle manufacturers. Sold individually two units are required for a complete rear axle replacement.
The 350Z's rear suspension is a multi-link independent setup that demands precise damping to maintain tyre contact and body composure under the hard cornering the Z33 was built for. The KYB 344455 is valved specifically for the 350Z rear suspension geometry, restoring the factory balance between ride compliance and cornering stability that the Z33 was engineered to deliver.
Product specifications
| Specification | Detail |
|---|---|
| Part number | 344455 |
| Brand | KYB |
| Series | Excel-G |
| Type | Shock absorber |
| Design | Twin tube gas hydraulic |
| Gas charge | Pressurised nitrogen |
| Fitting position | Rear axle driver and passenger side |
| Quantity | 1 unit sold individually |
| Required per vehicle | 2 units for complete rear axle replacement |
| Classification | OEA - Original Equipment for the Aftermarket |
Why KYB Excel-G
- Built on the same KYB OE assembly lines using the same components supplied to Nissan as original equipment not a generic aftermarket part
- Valved specifically for the 350Z rear multi-link suspension to restore factory damping characteristics, body control, and tyre contact under cornering loads
- Pressurised nitrogen gas charge reduces foaming and aeration of the hydraulic fluid, preventing suspension fade under repeated compression cycles including spirited and track driving
- Triple chrome plated piston rod and multi-lip oil seals resist wear and reduce the possibility of oil leakage over the service life of the unit
- Seamless working cylinder matched with a Teflon coated piston band for a consistent, positive seal
- Hard chromed piston rod reduces friction for smooth, consistent damping response through the full range of suspension travel
- All weather fluid maintains constant viscosity regardless of external temperatures
- Engineered to work correctly with the 350Z's electronic safety systems including ABS and stability control
Installation
Difficulty
Intermediate
Position
Rear axle - both sides
Tools required
Basic hand tools
Units required
2 per vehicle
Two units required for a complete rear axle replacement. The 344455 fits both the driver and passenger side rear positions on the 350Z - add a quantity of 2 to your cart for a full rear axle replacement. KYB recommends replacing shocks in pairs to maintain balanced damping across the axle. Confirm your fitment before ordering if your vehicle has been modified with aftermarket suspension or a lowering kit, as ride height changes affect shock travel requirements.
Fitment
Nissan 350Z Z33 · 2003 to 2008 · All variants (VQ35DE and VQ35HR)
Infiniti G35 V35 · 2003 to 2006 · RWD with sport suspension
Fits the full 350Z Z33 production run including the DE (2003 to 2006) and HR (2007 to 2008) variants. One part number covers both rear positions driver side and passenger side.
For a complete four corner shock replacement on the 350Z, pair two units of 344455 with 341366 (front right) and 341367 (front left). All three part numbers are available in this store.
