ZF 4681.298.024 REPAIR KIT | OEM Genuine Part

Overview

The ZF 4681.298.024 REPAIR KIT is a critical OEM genuine service component designed to restore hydraulic integrity and mechanical precision within ZF’s BP 210 and BP 230 series transmissions. This kit addresses the internal sealing and wear surfaces of the valve body and clutch piston assemblies. Specifically, it contains all necessary gaskets, O-rings, seals, and snap rings required to eliminate internal cross-leakage and pressure loss. The SKU 4681.298.024 is engineered to match factory tolerances, ensuring that the transmission’s shift timing and torque converter lock-up remain within OEM specifications. Without this kit, even minor internal seepage can degrade line pressure, leading to erratic gear engagement.

Symptoms of Failure

When the components within the ZF 4681.298.024 kit wear out, operators will notice distinct performance degradation. The most common failure indicators include:

• Delayed or harsh forward engagement – A noticeable lag of 2–3 seconds when shifting from Neutral to Drive, often accompanied by a jarring clunk. This is a classic sign of low clutch pack pre-charge pressure caused by leaking piston seals.
• Intermittent gear slipping under load – The transmission momentarily loses torque transfer when climbing grades or accelerating from a stop. The engine RPM flares without a corresponding increase in vehicle speed, indicating internal seal bypass.
• External oil seepage at the valve body gasket – Visible ATF drips or wetness around the transmission pan rail or valve body cover. This points directly to hardened gaskets and O-rings that have lost their compressive set.
• Erratic shift quality in cold weather – The transmission shifts harshly or refuses to upshift until the fluid warms up, a symptom of aged rubber seals that have become brittle and non-compliant at low temperatures.

Technical Specifications

Compatibility

This 4681.298.024 repair kit is specifically validated for use in ZF’s BP 210 and BP 230 series transmissions. Based on the seal geometry and snap ring dimensions, it is also compatible with the following ZF models that share the same valve body architecture:

• ZF WG180 – All variants (WG180-1, WG180-2)
• ZF WG200 – All variants (WG200-1, WG200-2)
• ZF 4HP22 – Select late-model builds with BP-series valve bodies
• ZF 5HP24 – Early production units using BP 230 internals

For exact fitment verification, always cross-reference your transmission’s serial number with the OEM parts catalog. If you are unsure, consult a ZF service manual or contact a certified transmission specialist.

Frequently Asked Questions

Q: Can I install the ZF 4681.298.024 kit without removing the transmission from the vehicle?
A: Yes, in most applications this kit is designed for in-chassis repair. You only need to drop the transmission pan and remove the valve body. However, ensure the vehicle is safely supported and the transmission fluid is drained completely before beginning.

Q: Does this kit include the filter or transmission fluid?
A: No. The 4681.298.024 kit strictly contains seals, gaskets, and snap rings. You must purchase a separate ZF transmission filter (part number 0501.217.001) and the correct ATF fluid (ZF LifeguardFluid 5 or 6, depending on your model) to complete the service.

Q: How long does a typical repair with this kit last?
A: When installed correctly with proper torque specifications, the OEM genuine seals in this kit typically restore full transmission function for 80,000 to 120,000 kilometers (50,000 to 75,000 miles) under normal operating conditions. Harsh environments or heavy towing may reduce this interval.