Transmissions: Explore Our Diverse Collection Today

What This Category Covers

This collection spans the hardware that connects the engine to the drivetrain and manages gear selection, including flywheels, flexplates, transmission crossmembers, bell housings, transmission mounts, pans, coolers, filters, valve bodies, transmission internals, shifters, shifter bushings and cables, release bearings, slave cylinders, U-joints, and rebuild kits.

Manual vs Automatic Transmission Hardware

Manual transmission builds commonly need flywheels, release bearings, slave cylinders, and shifter components, while automatic transmission builds rely more on valve bodies, transmission coolers, pans, and controllers.

Diesel Truck Transmission Components

Valve bodies and supporting hardware are stocked for Dodge Ram Cummins 68RFE automatic transmissions, helping diesel truck owners address shift quality and durability under towing loads.

Shifter and Linkage Upgrades for Subaru and Import Platforms

Shifter bushings, solid shift joints, shifter detent kits, and transmission support components are stocked for Subaru WRX, STI, Forester, and Crosstrek platforms, along with short shift adapters for Honda and Acura applications.

Short Shifters and Detent Kits

Short shift adapters and detent kits reduce shifter throw and improve shift feel for daily driven and track focused import platforms.

Flywheels and Flexplates for Domestic and Import Engines

Chromoly flywheels and billet flexplates are stocked for Gen III HEMI V8, BMW B48, B58, and S58, and Lexus IS300 platforms, supporting both manual and automatic driveline builds.

Transmission Crossmembers and Mounts for GM Platforms

Adjustable transmission crossmembers and torque arm relocation kits are stocked for GM G-Body and F-Body platforms to support upgraded transmission swaps and improved drivetrain geometry.

Release Bearings, Slave Cylinders, and Clutch Interface Parts

Release bearings and slave cylinders are stocked for Toyota GR Corolla, Audi B7 A4, Nissan 350Z VQ35HR and VQ37HR, and GM LS bell housing applications to support clutch actuation on manual builds.

Drivetrain Packages for Ford Focus ST and RS

Stage drivetrain packages combining shifter and supporting hardware are available for Ford Focus ST and Focus RS platforms for improved shift engagement.

Top Transmission and Drivetrain Brands

• BD Diesel. Valve bodies and transmission hardware for Dodge Ram Cummins diesel platforms
• Kartboy. Shifter bushings and solid shift joints for Subaru platforms
• XClutch. Release bearings and flywheels for import and domestic applications
• Clutch Masters. Release bearings, slave cylinders, and hydraulic bearings for multiple platforms
• Perrin. Shifter detent kits and transmission support components for Subaru
• Omix. Shifter boots and hardware for Jeep Wrangler platforms
• Weapon R. Short shift adapters for Honda and Acura applications
• UMI Performance. Transmission crossmembers and torque arm relocation kits for GM platforms
• OS Giken. Release sleeve assemblies for Nissan 350Z platforms
• Pure Drivetrain. Flexplates for Gen III HEMI V8 applications
• Cobb. Drivetrain packages for Ford Focus ST and RS
• Mishimoto. Transmission cooling and thermal bypass components

How to Choose the Correct Transmission Component

• Confirm the exact year, make, model, and transmission code before ordering
• Identify whether your vehicle uses a manual or automatic transmission
• Match flywheel or flexplate bolt pattern and balance spec to your engine
• Verify crossmember mounting points match your chassis and transmission combination
• Confirm release bearing and slave cylinder compatibility with your clutch kit
• Check transmission cooler line size and fitting type for your application
• Confirm shifter bushing kit matches your linkage design (OEM or short shift)
• Verify valve body part number against your exact transmission model
• Match U-joint size to your driveshaft and yoke combination
• Review rebuild kit contents against your specific transmission internals

Common Questions

How do I know if I need a flywheel or a flexplate?

Manual transmission vehicles use a flywheel while automatic transmission vehicles use a flexplate, so identifying your transmission type is the first step in ordering the correct part.

What does a transmission crossmember do?

A transmission crossmember supports the rear of the transmission and connects it to the chassis, and upgraded crossmembers can improve clearance and support for aftermarket transmission swaps.

Do I need a new release bearing when replacing my clutch?

Replacing the release bearing along with the clutch is commonly recommended since it wears alongside the clutch disc and pressure plate.

What does a valve body control in an automatic transmission?

The valve body directs hydraulic fluid to control gear shifts, and upgraded or repaired valve bodies can address shift quality and shift timing issues.

Do short shifters affect daily drivability?

Short shifters reduce shifter throw distance, which many drivers find improves shift feel, though some may need an adjustment period to the shorter movement.

What is a shifter bushing kit used for?

Shifter bushing kits replace worn factory bushings in the shift linkage, which can reduce play and improve shift precision.

Are transmission coolers necessary for towing?

Transmission coolers help manage fluid temperature under heavy load, which is especially useful for towing, hauling, or high performance driving that generates additional heat.

What is included in a transmission rebuild kit?

Rebuild kits typically include gaskets, seals, and wear components specific to a transmission model, though exact contents vary by kit and application.

Do U-joints wear out over time?

Yes, U-joints wear from normal use and can develop play or noise, making periodic inspection and replacement part of routine drivetrain maintenance.

Can I upgrade my automatic transmission for towing or performance?

Upgraded valve bodies, coolers, and internals are available for many automatic transmissions to improve durability and shift response under towing or performance driving conditions.

Why Buy Transmission & Drivetrain Parts from Black Ops Auto Works

Black Ops Auto Works stocks 1,322 transmission and drivetrain SKUs from trusted brands including BD Diesel, Clutch Masters, XClutch, and UMI Performance, with fitment data organized by year, make, model, and transmission type so builders can order with confidence.

For related upgrades, browse our Engine, Drivetrain, and Clutch Components collections.