Welcome to 603 Auto Salvage, We Sell Quality Used Auto Parts at Affordable prices.
Welcome to 603 Auto Salvage, We Sell Quality Used Auto Parts at Affordable prices.
$700.00
Grade A transfer case from a 2005 GM Silverado 2500 with floor shift and automatic transmission. This 4-speed NP2 transfer case with MT1 option is in excellent condition and ready to ship. Interchange #584, Stock #1225294926.
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This transfer case was removed from a 2005 GM Silverado 2500 and has been thoroughly inspected by our experienced technicians. The unit features floor shift operation, automatic transmission compatibility, and is identified as a 4-speed NP2 configuration with MT1 option. It has been cleaned, tested, and is currently on our shelf ready for immediate shipment.
Transfer cases are critical components in 4WD vehicles that distribute power between the front and rear axles. Common reasons for replacement include internal gear wear, chain stretch, bearing failure, or case cracking from heavy use or lack of maintenance. When your transfer case fails, you’ll typically experience grinding noises, difficulty shifting between 2WD and 4WD modes, or complete loss of 4-wheel drive functionality.
At 603 Auto Salvage, we maintain over 50,000 quality used parts from more than 1,100 vehicles in our inventory. Our parts are carefully inspected and graded to ensure you receive reliable components at significant savings compared to new. Browse our extensive online catalog or contact us to verify fitment and availability for your specific vehicle needs. 50,000+ parts in stock from over 1,100 vehicles. Contact us or call (603) 392-7313 for anything you need.
| Part | Transfer Case Assembly – Floor Shift, Automatic Transmission |
| Interchange # | 584 |
| OEM Part Number | Contact for OEM# |
| Side | N/A |
| Part Grade | A — Grade A – 116K miles, good working condition, inspected and ready to ship |
| Warranty | 90-Day Warranty (Standard coverage for major drivetrain components with moderate mileage) |
| Type | Used OEM |
| Year / Make / Model | 2005 GM TRUCKS SILV25 |
| VIN | N/A |
| Vehicle Stock # | 1225294926 |
Every part at 603 Auto Salvage is inspected before listing. Here is what was verified on this Transfer Case Assembly – Floor Shift, Automatic Transmission:
| ✅ Case Housing Integrity | No cracks or damage found |
| ✅ Input/Output Shaft Play | Within acceptable tolerances |
| ✅ Shift Mechanism Operation | Smooth engagement verified |
| ✅ Chain and Gear Condition | Normal wear patterns observed |
| ✅ Fluid Leak Test | No external leakage detected |
| ✅ Mounting Points | All bolt holes and threads intact |
Based on interchange #584, this part fits the following vehicles. Always confirm fitment with your mechanic before purchasing.
| Year(s) | Make | Model | Notes |
|---|---|---|---|
| 2003-2007 | Chevrolet | Silverado 2500HD | Floor shift, automatic transmission, MT1 option |
| 2003-2007 | Chevrolet | Silverado 3500 | Floor shift, automatic transmission, MT1 option |
| 2003-2007 | GMC | Sierra 2500HD | Floor shift, automatic transmission, MT1 option |
| 2003-2007 | GMC | Sierra 3500 | Floor shift, automatic transmission, MT1 option |
| 2003-2006 | Chevrolet | Avalanche 2500 | Floor shift, automatic transmission, MT1 option |
Questions? Need a shipping quote? Call us now:
603 Auto Salvage | 233 Main St, Plaistow, NH 03865
Mon–Fri 8am–4:30pm | Sat 8am–2pm | Sun Closed
This transfer case fits 2005 Silverado 2500 models with floor shift and automatic transmission. Verify your vehicle has the MT1 option code to ensure proper compatibility.
You receive the complete transfer case assembly as shown. Additional components like driveshafts, shift linkage, or mounting hardware are sold separately.
Common symptoms include grinding noises during operation, difficulty shifting between 2WD and 4WD, fluid leaks, or complete loss of 4-wheel drive functionality.
Based on the NP2 designation and 4-speed configuration, this appears to be a New Process transfer case. Contact us to verify the exact model number for your application.
Most GM transfer cases of this era use Dexron III automatic transmission fluid or GM-specific transfer case fluid. Check your owner’s manual for the exact specification.
Transfer case installation requires lifting the vehicle, supporting the transmission, and proper torque specifications. Professional installation is recommended due to the complexity and weight of the component.
Looking for this part by number? Here are the reference numbers:
| GM Option Code | MT1 |
| Configuration | NP2 4-speed |
| Transmission Type | Automatic |
| Shift Type | Floor Shift |
| Source | Price Range | Warranty | Notes |
|---|---|---|---|
| Dealer (New OEM) | $2,800-$3,500 | 1 year | Brand new, longest wait time |
| Aftermarket | $1,800-$2,400 | Varies | Non-OEM fitment, quality varies |
| Other Salvage Yards | $800-$1,200 | 30–60 days | Varies in quality and testing |
| 603 Auto Salvage | $700.00 | 90-Day Warranty | Tested, Grade A, ships in 24hrs |
🔍 Free Fitment Check
Call us with your VIN and we will verify compatibility for free. No obligation, no pressure — just answers.
Our parts specialists check interchange data in real-time
This part ships via LTL Freight. Prices are estimates — call for an exact quote to your zip code.
| Region | Estimated Cost | Transit Time |
|---|---|---|
| New England (NH, MA, ME, VT, CT, RI) | $150 – $250 | 1–3 business days |
| Northeast (NY, NJ, PA, MD, VA) | $200 – $350 | 2–4 business days |
| Southeast (FL, GA, NC, SC, TN) | $300 – $450 | 3–5 business days |
| Midwest (OH, MI, IL, IN, WI, MN) | $350 – $475 | 3–5 business days |
| Southwest (TX, AZ, NM, OK) | $400 – $550 | 4–6 business days |
| West Coast (CA, OR, WA) | $450 – $600 | 5–7 business days |
Local pickup is always free. Free delivery within 30 miles of Plaistow, NH.
Ready to order? Call (603) 392-7313 or add to cart above. We are here to help.
| Weight | 180 lbs |
|---|
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I had a great experience with 603 Auto Salvage Inc. The team was very helpful and quickly found the exact part I needed. They kept me informed and made the pickup process easy. The price was very fair, and the service was excellent. I would definitely recommend them and will use them again if I need parts in the future.
Excellent support, she helped me with my order service was fast and exactly what I needed.Very Professional.
The customer service at 603 was great. They found the part I needed very quickly and promptly notified me when it was ready to be picked up. There wasn’t any other place in the area that had what I needed. The price was very good also. I will be using them again for sure.
I had a great experience. They didn’t just look up the part I needed they took the time to explain how to install it and made sure I understood everything. I even received a call back, which I really appreciated. Everyone I spoke with was friendly and patient, and I never felt brushed off. I truly felt taken care of. Highly recommend if you want knowledgeable people who actually care about helping you. Kristy Thanks Guys!
Drove from Connecticut to get here. Had parts for a relatively rare car that dozens of other places didn't have. I got a hood, fender and bumper cover that were in near mint condition for a fifteen year old car. They pulled all the parts for me and had everything ready within an hour. Very reasonably priced. Highly recommend
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Purchased a wheel they had it ready the next day , not damaged, and ready for pickup. Julie was helpful at the front desk giving a specific time frame and held to it.
Super Friendly, Easy to work with, Accurate inventory, and great prices
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I urgently needed a set of Hyundai wheels for a used car delivery and quick. Julie and her crew saved the day. She was able to check inventory, confirm she had what I needed and get them ready for pick up in amazingly short order. Autoshop Services will be a regular customer. Thank You. .
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