This do88 silicone hose kit (K-Jetronic auxiliary air regulator and vacuum hoses) replaces the OEM rubber auxiliary air regulator and vacuum limiter hoses: two auxiliary air regulator hoses, brake vacuum hose and three vacuum hoses. Six hoses are supplied. Construction is multi-layer reinforced silicone, with three to five layers of reinforcement depending on the inner diameter. Hose clamps are not included; do88 offers a matching clamp kit separately.
Specifications
| Type | Silicone hose kit (K-Jetronic auxiliary air regulator and vacuum hoses) |
| Material | Silicone |
| Finish | Black |
| Quantity | 6 hoses |
| OEM Replacement | 93011033500, 93011033503, 99923900940, 99923901140, 99918128450, 99923900740, 93011017101 |
| Part Number | do88-kit142S |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1978-1989 | Porsche | 930 Turbo | 3.3 Turbo |
Shipping
- In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
- Standard, expedited, and overnight options at checkout.
- Oversized items ship by freight and take longer.
- Backordered items ship as soon as stock lands — contact us for lead times.
- International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.
Returns
- 30-day returns on new, uninstalled items in original packaging with all hardware.
- Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
- Installed or used parts can’t be returned — confirm fitment before you install.
- Special orders and custom items are final sale.
- Email us for return authorization before shipping anything back.
Full details: Shipping Policy · Refund Policy
