Transmission > Automatic · Tested

Audi A4 1.8L (VIN C, 5th digit, turbo), AT, 5 speed transmission 1.8L Engine (2002-2005)

4.5 on Trustpilot · 335 reviews
Confirm it fits YOUR vehicleEnter your VIN — we verify exact fit before you pay
Find your VIN on the driver-side door jamb or lower windshield.
Unit Condition & Specs
AvailabilityIn stock — ready to ship
55% OFF $5,302.00
$2,410.00
Mileage
✓ Flat-rate freight — insured & tracked ·✓ 90-day warranty included· freight shown at checkout: $250 commercial / $400 residential
Ships within 3 - 5 business days Approx - flat-rate freight, tracked & insured Most orders arrive 5–7 business days after dispatch (US). You get tracking the moment it ships.
Not sure it fits? Call an expert
🛡90-Day WarrantyParts replacement
🚚Flat-Rate FreightDelivered to your door
🔒Secure CheckoutEncrypted payment
24-Hr Free CancelFull refund within 24h

How ordering works

  1. 1Enter or confirm your VIN
  2. 2We verify exact fitment for your vehicle
  3. 3Flat freight shown up front — no surprises
  4. 490-day warranty included on every part
  5. 5We photograph & confirm the unit before it ships
What you're getting

What's included with this transmission

You're buying a complete transmission assembly. Here's exactly what's attached when it arrives, and the service items your installer should check and replace during the swap.

Included with your transmission

Ships as one assembled unit
  • Complete automatic transmission
  • Bell housing
  • Torque converter
Quick definition: the bell housing is the casing that bolts the transmission to the engine, and the torque converter is the fluid coupling that passes power from the engine into the gearbox. Both come attached to the unit you're buying.
Not sure what your install needs? Talk to a parts expert
Financing available

Split this into easy monthly payments

Pre-qualify with PayTomorrow in minutes — all credit types welcome, and checking your options won’t affect your credit score. You’ll see your approved amount and terms instantly.

⚡ Instant decision · 🛡 Soft check (no score impact) · ✅ All credit types welcome

Pre-qualify now — it’s free →

Financing provided by PayTomorrow, a third-party lender. Approval, rate, and terms are set by the lender. Not a guarantee of approval.

Part details

About this part

Bring Back Your 2002-2005 Audi A4 1.8T Automatic Performance with OEM AMB Engine

Bring back your B6 A4's smooth turbocharged power with our OEM-certified AMB 1.8T engine, specifically configured for 5-speed Tiptronic models.

Engine Specifications:

Category Details
Displacement 1.8L Turbo I4 
Engine Code AMB
Horsepower 170 HP 
Torque 166 lb-ft 
Fuel System Multi-Port Fuel Injection
Turbocharger K03-029 Turbo
Block Material Cast iron block, aluminium head
VIN Identification 5th digit = C, 8th digit = F
 

Compatibility:

2002-2005 Audi A4 (B6 Chassis)

Automatic Transmission Only

VIN Requirements:

  • 5th digit = C 1.8T

  • 8th digit = F Automatic

  • Engine tag shows AMB

Pricing Options:

Mileage Range Price Condition
30K-60K miles $ 1,950.00 Low-mileage, full history
60K-90K miles $ 1,767.48 Excellent
90K-120K miles $ 1,418.56 Good
120K-150K miles $ 1,165.32 Functional
 

Key Features:

Complete Long Block Assembly: Includes the fully assembled engine block, crankshaft, pistons, cylinder head, and valvetrain.

Includes Intake & Exhaust Manifolds: Comes with both manifolds pre-attached, saving installation time.

Backed by Warranty: Provides a reliable warranty on the entire assembly for peace of mind.

Shipping Information:

Dimensions: Length 32"× Width 25"× Height 27"

Weight: 285 lbs

Shipping Options:

Standard shipping 5-7 business days

Expedited shipping are available for an extra cost

Frequently Asked Questions?

Q: Does this include the torque converter?

A: This 5-speed automatic transmission fits Audi A4 1.8L turbo models (2002-2005). The torque converter is not included and must be purchased separately.

Q: What maintenance is required post-installation?

A: After installing this transmission, regularly check and change the fluid. Watch for strange noises or changes, and fix problems quickly to keep your Audi running strong.

Q: How do I verify AMB engine code?

A: To verify the AMB engine code on your Audi A4 1.8L 2002-2005, find the engine number stamped on the engine block near the cylinder head or side. Check that it matches the VIN’s 5th digit “C” for the turbo engine.

Ready to Order?

Ensure your engine matches the specifications for a seamless fit and optimal function.

Order with confidence

Tested, VIN-matched, and guaranteed

VIN-Verified Fit

We match the part to your vehicle's VIN and confirm exact fitment before we ship — so it fits the first time. Free cancellation within 24 hours.

Works on Arrival, Guaranteed

Every unit is tested before it ships. If it arrives defective, we replace it fast — and in the rare case we can't replace it, you get a full refund.

90-Day Warranty

A real parts-replacement warranty, included — with extended coverage available.

Real photos of the exact unitWhat you see is what ships
A-grade OEM, testedVerified specs, not estimated
VIN-matched to your vehicleConfirmed before dispatch
Shipping & delivery

Heavy freight item, shipped fully insured and tracked. Freight is a flat $250 commercial / $400 residential, shown at checkout — no hidden fees, no freight-quote runaround.

1Ships within 3 - 5 business days ApproxCarefully packed & dispatched from our US warehouse
2Freight to your doorBrought to your door
3Delivered in 5–7 business daysTracked & insured · tracking sent when it ships
Verified buyer reviews

Customer Reviews

Be the first to write a review
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)
📞 Need Help? Call Now