Overview
This genuine OEM ZF 1316.170.808 COVER is a critical sealing component designed for the upper housing of heavy-duty construction machinery transmissions. Positioned directly over the main control valve body or clutch housing access port, this cover prevents fluid contamination and maintains internal hydraulic pressure. The SKU 1316.170.808 is precision-engineered to withstand high thermal cycling and vibration loads common in excavators, wheel loaders, and graders. By securing the transmission’s internal environment, it ensures consistent oil flow to planetary gear sets and clutch packs.
Symptoms of Failure
When the ZF 1316.170.808 cover degrades, operators often notice these specific failure modes:
- Hydraulic oil seepage around the upper bell housing: A slow, persistent leak that leaves a thin film on the transmission exterior, often mistaken for a gasket failure.
- Intermittent gear engagement hesitation: Worn cover warpage allows air ingress, causing spongy clutch response during cold starts or under heavy load.
- Contaminated transmission fluid: Cracks in the cover casting allow dirt and moisture to bypass the breather system, leading to premature wear on bearings and synchronizers.
- Abnormal transmission whine: Loss of structural rigidity in the cover alters the resonance frequency of the housing, producing a distinct high-pitched noise at specific RPM ranges.
Technical Specifications
| Part Number | 1316.170.808 |
| Material | Die-cast aluminum alloy (A380 equivalent) |
| Overall Dimensions | 285 mm x 195 mm x 45 mm |
| Bolt Hole Pattern | 6 x M10 threaded, 120 mm center distance |
| Weight | 1.45 kg (3.2 lbs) |
| OEM Reference | ZF 1316.170.808 (Genuine) |
| Surface Finish | Clear anodized with EPDM gasket groove |
| Operating Temperature Range | -40°C to +120°C |
Compatibility
This cover is engineered for ZF’s modular transmission platform used in off-highway construction equipment. Based on its structural design and bolt pattern, it fits the following transmission models:
- ZF WG180 (series 3 and 4)
- ZF WG200 (all variants including WG200-6)
- ZF Ecomat 4HP (select configurations with external control valve housing)
- ZF Ergopower (early generation models with separate cover plate)
Always verify your transmission’s serial number against the OEM parts catalog. This cover is not interchangeable with the 1316.170.807 variant, which uses a different gasket profile.
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