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✓Free freight · all 50 US states
✓Photo approval before ship
✓6-month warranty (extend to 3 yr)
✓Compression + leak-down tested
2008 Chevrolet Silverado 3500 Hd Used Transmission AT, 6.6L, 4X4, PTO
Choose your mileage tier:
Will this fit my vehicle?
Enter your 17-char VIN — instant fitment check
Enter your 17-character VIN
VIN must be exactly 17 characters.
We’ll check fitment from your VIN and reply with confirmation + the best mileage tier in stock. Typically in under 2 minutes.
30-Day Money-Back Guarantee
Arrives defective? Send it back within 30 days for a full refund — no hassle.
Ships in 3-5 Business Days
Free freight to all 50 US states — crated, strapped & fully insured in transit.
Specifications
Part specifications
Every detail verified from the donor vehicle before this unit ships.
This unit fits the 2008 Chevrolet Silverado 3500 Hd
OEM Genuine
Engine details
Year
2008
Make
Chevrolet
Model
Silverado 3500 Hd
Engine size
AT,
Part type
Used Transmission
VIN code
VIN-matched
Buyer protection
Condition
Pre-Owned
Testing
Compression
Warranty
6 months
Mileage
Low-mile
Insurance
Yes
Financing
Available
Financing
Spread the cost over time
Indicative split shown — financing is subject to approval. Our team confirms the plans and terms available to you.
What's in the box
What's included— complete plug-and-play assembly
No items listed yet. Add a "What's included" list in the product metafields (one item per line, prefix with + for included or - for excluded).
Compatibility
Will this fit your vehicle?
this part fits the following vehicles
No-wrong-part promise
100% VIN fitment guarantee
Send us your VIN and we match it to this exact unit — engine code, trim and options. If it's not a confirmed fit, you don't pay, or you get every dollar back.
1
Send your 17-digit VIN
Text or call it in — takes 30 seconds.
2
We cross-check the build
Engine code, trim & options matched to this exact unit.
3
Confirmed before you pay
Not a match? You don't pay — or get a full refund.
This unit
Pulled from a 2008 Chevrolet Silverado 3500 Hd
This part also fits several related trims and engine configurations. Rather than guess from a generic chart, we confirm the exact match from your VIN before anything ships — so you never receive the wrong unit.
VIN-match recommended. The above list is based on factory configurations. We always verify fitment from your VIN before shipping. Not 100% sure your vehicle fits? Use the VIN checker at the top of this page or request a quote below.
Quality control
How this part got to you— our 6-step process
1
Donor located
2
Front-intact verified
3
Compression tested
4
Photographed
5
You approve
6
Crated + shipped
Why buy from us
Pro Drive vs. a typical salvage yard— the difference that protects your money
What you get
Pro Drive
Salvage yard
Compression + leak-down tested
Photos sent for your approval before shipping
VIN-matched fitment check
6-month warranty, extendable to 3 years
Free freight — crated, strapped & insured
Real person answers 24/7
Full refund if it's not a confirmed fit
You see it before you pay in full
Before anything ships, we photograph your exact unit on the pallet from every angle and send it to you. Don't like what you see? You get every dollar back — zero questions asked.
Warranty
6-month standard warranty included
Covers internal part failure. Doesn't cover damage from improper install, oil starvation, overheating, or pre-existing vehicle issues. Defective-only 30-day refund applies.
Shipping & returns
Free freight · all 50 US states · ships in 3–5 business days
30-day return only if defective. Inspect at delivery and photograph any damage before signing. Crated and secured for safe transit.
Buyer questions
Common questions about this part
No product FAQ yet. Add questions to the "Product FAQ" metafield. Format: Q: question? | A: answer