Which cars does the TCD LSD for W124 500E fit?

OS Giken Japan lists the TCD LSD for W124 500E models for the 500E automatic and the 320TE wagon. Turn 14 lists the 1992 to 1993 500E and the 1993 300TE. Confirm the axle in your car before ordering, and contact our team if you are unsure.

What makes a TCD different from a Super Lock LSD?

TCD uses the Super Lock mechanism, but the friction discs carry oil holes and channels that keep them wet. That lets the unit switch between open and locked smoothly and quietly, which suits a fast road car like the 500E while still giving plate-type traction.

Does it fit a 4Matic wagon?

No. The 4Matic all-wheel-drive W124 uses a different drivetrain, and OS Giken Japan does not list it for this unit. Turn 14 shows a 1993 300TE 4Matic row, so contact our team before ordering for any 4Matic car. We can confirm with OS Giken.

Can the cam angle be changed?

Yes. OS Giken can set the cam angle of a TCD unit, which changes how strongly it locks under power and on deceleration. Tell our team how the car is used and we can pass the request to OS Giken when ordering.

What oil should be used?

Use a gear oil suited to clutch-type limited-slip differentials. OS Giken makes a dedicated LSD gear oil for its units. Change the oil more often than with an open differential, since fresh oil keeps the discs working smoothly and quietly between services.

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Description

OS Giken TCD LSD for W124 500E and 320TE Mercedes-Benz

OS Giken’s TCD LSD for W124 500E models is the Type-G unit in OS Giken’s Mercedes-Benz range, listed by OS Giken Japan for the W124 500E with its 5.0-liter V8 and automatic gearbox, and for the W124 320TE wagon. Turn 14 records it for the R180 axle with a 127 mm ring gear inner diameter. TCD is OS Giken’s comfort-oriented mechanical limited-slip differential built on the Super Lock mechanism, with oil holes and channels in the friction discs that keep them wet so the unit locks smoothly and quietly. On a heavy, powerful sedan like the 500E, it keeps the inside rear wheel from spinning away drive on corner exit.

Fitting Notes From OS Giken

OS Giken Japan lists the 500E as a fit with no special notes. On the 320TE, a car fitted with the factory hydraulic limited-slip system needs that system released. Turn 14 also lists the 1993 US 300TE wagon. All-wheel-drive 4Matic cars are not covered, and fitting should follow the factory service manual.

Features

TCD discs with oil holes and channels for smooth, quiet lock
Built on the OS Giken Super Lock pressure ring mechanism
Plate-type traction with mild engagement for street use
Cam angle can be set by OS Giken to suit the car
Type-G unit for the R180 axle, 127 mm ring gear ID per Turn 14

Applications

Mercedes-Benz 500E (W124): 5.0L V8, automatic, listed 1992-1993
Mercedes-Benz 320TE / 300TE (W124): Rear-drive wagon

Notes

This TCD LSD for W124 500E and 320TE models is for rear-drive cars; 4Matic cars are not covered
320TE cars with the factory hydraulic limited-slip system need it released, per OS Giken Japan
Installation labor is not included

Frequently Asked Questions

Which cars does the TCD LSD for W124 500E fit? OS Giken Japan lists the TCD LSD for W124 500E models for the 500E automatic and the 320TE wagon. Turn 14 lists the 1992 to 1993 500E and the 1993 300TE. Confirm the axle in your car before ordering, and contact our team if you are unsure.
What makes a TCD different from a Super Lock LSD? TCD uses the Super Lock mechanism, but the friction discs carry oil holes and channels that keep them wet. That lets the unit switch between open and locked smoothly and quietly, which suits a fast road car like the 500E while still giving plate-type traction.
Does it fit a 4Matic wagon? No. The 4Matic all-wheel-drive W124 uses a different drivetrain, and OS Giken Japan does not list it for this unit. Turn 14 shows a 1993 300TE 4Matic row, so contact our team before ordering for any 4Matic car. We can confirm with OS Giken.
Can the cam angle be changed? Yes. OS Giken can set the cam angle of a TCD unit, which changes how strongly it locks under power and on deceleration. Tell our team how the car is used and we can pass the request to OS Giken when ordering.
What oil should be used? Use a gear oil suited to clutch-type limited-slip differentials. OS Giken makes a dedicated LSD gear oil for its units. Change the oil more often than with an open differential, since fresh oil keeps the discs working smoothly and quietly between services.

About OS Giken

OS Giken was founded in Okayama, Japan in 1973 by Masaharu Okazaki. It built the TC16 and TC24-B1 DOHC cylinder heads for Nissan L-series engines, began making multi-plate racing clutches in 1982 and started supplying OEM limited-slip differentials in 1983. Development of the Super Lock LSD began in 1997, and of the OS-88 sequential gearbox for the Skyline GT-R in 1998.

Additional Information

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Shipping Policy

Items that are in stock in the US, either at Bulletproof’s warehouse or at a supplier’s warehouse, are generally delivered within 7-10 days. Special order items from overseas take considerably longer. As a courtesy Bulletproof offers delivery estimates to our customers which take into consideration manufacturer availability and shipping schedule. These estimates represent our best guess based on previous orders from the manufacturer and do not in any way imply a guaranteed delivery window. Many manufacturers work in a “just in time” inventory system and often take 2-20+ weeks to produce an item once an order is submitted. All deliverable items are then sent to our Japanese warehouse. Bulletproof ships a minimum of one full ocean freight container every month from Japan, oftentimes more than one a month. Ocean freight takes an average of 4 weeks. Typically it breaks down to one week in Japan for paperwork and customs, two weeks by boat and one week in US customs/clearance. Due to the wide number of variables between manufacturer and shipping schedules, delivery estimates are simply just that – estimates. We attempt to estimate conservatively and we usually deliver faster than our estimates suggest. It is not Bulletproof’s policy to guarantee delivery time of any special order item, this is impossible for us to do. By ordering you acknowledge that there is no required delivery ETA and an order may not be canceled or altered due to manufacturing or shipping delays, all ETA’s are provided as a best guess only. Please review the full Terms & Conditions here.

BP Pricing Difference

We do pricing a little differently on our JDM brands and we believe in making things simple and clear. No hidden fees or surcharges. Every price you see includes the shipping cost to our office in Los Angeles, California and all the associated taxes/duties/fees for bringing the products into the US. The only shipping you ever pay is from our facility in the US to your location. Be wary of resellers that don’t include the cost of international shipping in their pricing on JDM parts. While we believe we’ll always have the lowest all-in price on JDM products, we offer a price match guarantee for all authentic parts purchased from authorized dealers as well. For many international customers, it’s much more affordable to ship from the USA than from Japan directly, as the air freight and ocean freight costs are typically much less. However, for customers looking to ship directly from Japan outside of North America, or domestically in Japan, we can provide pricing specifically for that scenario. Please do not hesitate to contact us with any pricing questions or concerns. Please email us at sales@bulletproofautomotive.com with any inquiries.

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OS Giken TCD LSD for W124 500E and 320TE Mercedes-Benz [MB251-HC]

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OS Giken TCD LSD for W124 500E and 320TE Mercedes-Benz

Fitting Notes From OS Giken

Features

Applications

Notes

Frequently Asked Questions

About OS Giken

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