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Billet drivetrain machining
Precision Billet Components

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the weak points

From billet shafts to upgraded clutch packs and torque converters, build the drivetrain around your power goals.

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4R100 Transmission Parts
4R100 Transmission Parts
4R100 Transmissions
4R100 Transmissions
5R110W Transmission Parts
5R110W Transmission Parts
5R110W Transmissions
5R110W Transmissions
6R140 Transmission Parts
6R140 Transmission Parts
6R140 Transmissions
6R140 Transmissions
6R140 Transmissions for 6.7L Powerstroke
6R140 Transmissions for 6.7L Powerstroke
Billet Input Shaft for 5R110W
Billet Input Shaft for 5R110W
Billet Intermediate Shaft for 5R110w
Billet Intermediate Shaft for 5R110w
Billet Overdrive Planetary for 5R110w
Billet Overdrive Planetary for 5R110w
Billet Parts for 5R110W
Billet Parts for 5R110W
Billet Pump for 5R110w
Billet Pump for 5R110w
Converter for 4R100
Converter for 4R100
Converter for 5R110W
Converter for 5R110W
Converters
Converters
Dealer Specials
Dealer Specials
Free Install
Free Install
Goerend Converters for 47/48RE Transmissions
Goerend Converters for 47/48RE Transmissions
Goerend Converters for Allison Transmissions
Goerend Converters for Allison Transmissions
Performance Valve Bodies
Performance Valve Bodies

⚡ Featured Transmissions

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2025 Billet 5R110w (includes 3 packs of tunes) (2003-2007)

Price range: $9,749.00 through $10,249.00
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2025 Competition+ 5R110w (includes 3 packs of tunes) (2003-2007)

Price range: $8,149.00 through $8,649.00
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2026 Competition 5R110w (includes 3 packs of tunes) (2003-2007)

Price range: $7,149.00 through $7,649.00
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2025 Stock+ 5R110w with Goerend Converter (includes 3 pack of tunes) (2003-2007)

Price range: $5,449.00 through $6,799.00
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5R110w+ Transmission/Converter

Price range: $4,249.00 through $4,749.00
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2026 6R140 Transmission OEM Upgraded Replacement

Price range: $5,353.00 through $6,153.00
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4R100/E4OD OEM+

Price range: $3,936.00 through $4,736.00
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2025 Full Billet 4R100

Price range: $9,349.00 through $10,149.00
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2025 Stock+ 4R100/E4OD

Price range: $4,949.00 through $5,749.00
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2025 Competition 4R100

Price range: $7,749.00 through $8,549.00
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2026 Billet 6R140

Price range: $8,899.00 through $9,699.00
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2026 Stock+ 6R140 with Goerend Converter

Price range: $6,403.00 through $7,203.00
Add to Cart
AtoZ Auto Parts
16+ YEARS EXPERIENCE
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Warren Diesel Shop Parts** delivers dependable diesel and performance parts for enthusiasts, builders, and demanding automotive applications. From transmission components and torque converters to billet upgrades, internal parts, and essential replacement components, we offer quality solutions engineered for performance, durability, and proper fitment. Whether you're repairing, rebuilding, or upgrading your drivetrain, Warren Diesel Shop Parts helps you find the right components to get the job done with confidence.

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Transmission Parts

Most sought-after upgrades this month

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What Our Customers Say

Trusted by diesel and transmission enthusiasts who demand quality, performance and dependable support.

4.6
★ ★ ★ ★ ★
Based on 80+ customer reviews
Real Customers. Real Experiences.
S
Seth Y. Recent Customer
★ ★ ★ ★ ★
“

Drove several hours for a transmission replacement. The team was understanding, professional and completed the work quickly. The transmission performed extremely well.

Verified Experience
J
John W. Recent Customer
★ ★ ★ ★ ★
“

Great company and an awesome crew. The transmission replacement was completed quickly and the overall experience was excellent.

Verified Experience
E
Ethan H. Recent Customer
★ ★ ★ ★ ★
“

Could not have asked for a better experience. The installation was completed in one day and the new transmission performed exactly as expected.

Verified Experience
C
Christian M. Verified Customer
★ ★ ★ ★ ★
“

Excellent communication and a very easy process. The transmission and tuning worked great and the long drive to the shop was absolutely worth it.

Verified Experience
A
Alex Verified Customer
★ ★ ★ ★ ★
“

Drove hundreds of miles for the transmission installation. Everything was ready when I arrived and the finished result exceeded expectations.

Verified Experience
✓ Quality Focused
✓ Transmission Specialists
✓ Customer First Service

Rebuild Kits

Most sought-after upgrades this month

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Looking for a specific diesel part, transmission component or performance upgrade? Our team is here to help you find the right solution with confidence.

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Warren Diesel Shop
94 28th Division Hwy
Carlton, PA 16311, USA

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