GMC 24257203 Automatic Transmission 6.0L 6L90

( Manufacturer Part Number: 24257203 ), ( Vintage Part: No ), ( Type: Automatic Transmission ), ( Condition And Options: At; 6.0l, 4x4 )

Review GMC 6.0l Automatic Transmission Speed Id fits SIERRA 3500 2500 4X4 2012–2013

The **GMC 2013 Sierra 2500HD/3500HD with the 6.0L Duramax diesel engine, paired with the robust 6L90 six-speed automatic transmission, and equipped as a four-wheel-drive (4x4) model**, represents the pinnacle of heavy-duty truck engineering, designed to conquer the most demanding tasks with effortless power and unmatched durability. Engineered for those who demand both raw capability and refined performance, this truck combines the legendary reliability of the **Duramax 6.0L turbocharged diesel** a powerplant renowned for its torque-rich output, fuel efficiency, and longevity with the seamless shifting and refined drivetrain dynamics of the **6L90 automatic transmission**, ensuring a smooth yet powerful driving experience whether hauling heavy loads, towing substantial trailers, or navigating rugged off-road terrain. The **4x4 configuration** elevates its off-road prowess, providing enhanced traction, stability, and control in challenging conditions, from deep snow and mud to steep inclines and uneven surfaces, making it an ideal choice for professionals in construction, agriculture, or outdoor adventure. Under the hood, the **6.0L Duramax** delivers a staggering **376 horsepower and 650 lb-ft of torque**, allowing it to effortlessly accelerate from a standstill or maintain consistent speed while carrying maximum payloads or towing up to **20,000 pounds** with confidence. The **6L90 transmission**, a six-speed automatic with a torque converter, ensures smooth power delivery and optimal gear selection, reducing wear on the engine while maximizing efficiency, whether cruising on the highway or navigating tight city streets. Built on GMC s **Dual-Guard cab and crew cab chassis**, this Sierra offers a spacious, well-appointed interior with premium materials, advanced safety features, and ergonomic controls, blending rugged utility with driver-focused comfort. The **Duramax diesel s advanced emissions compliance** (meeting EPA 2010 standards) ensures it operates cleanly and efficiently without sacrificing power, while its **high-pressure common-rail fuel injection system** and **turbocharger** optimize performance across a wide RPM range. Whether used for commercial work, heavy-duty towing, or as a versatile off-road machine, this **2013 GMC Sierra 2500HD/3500HD** stands as a testament to GMC s commitment to building trucks that are as resilient as they are capable, delivering a perfect harmony of strength, efficiency, and adaptability for those who rely on their vehicles to perform at the highest level.

### **Pros and Cons of Buying a 2013 GMC Sierra 2500HD/3500HD (6.0L V8, 6L90 Automatic, 4x4)**

#### **Pros**

1. **Reliability and Durability** The 6.0L Duramax diesel engine is known for its longevity, especially when properly maintained. Many units exceed 300,000 miles with regular service.

2. **Strong Towing and Hauling Capacity** The 2500HD and 3500HD models are rated for **12,000 22,000 lbs of towing** and **10,000 18,000 lbs of payload**, making them ideal for heavy-duty work and recreational use.

3. **4x4 Capability** The available **4x4 system** provides better off-road and snow traction, useful for farmers, construction workers, or those in rugged environments.

4. **Automatic Transmission (6L90)** The **6-speed automatic** is smoother than older manual transmissions and better suited for daily driving compared to a manual.

5. **Comfortable Cabin** The **extended cab** (or crew cab in some trims) offers spacious seating, and the diesel engine provides a quieter ride than many gasoline trucks of the era.

6. **Good Resale Value** Duramax diesels hold their value better than many gasoline trucks, especially in high-demand work applications.

7. **Proven Engine** The **6.0L Duramax** (pre-EGR) is a well-tested engine with fewer known long-term issues compared to later turbocharged diesels.

8. **Available Off-Road Features** Some trims include **locking rear differentials, skid plates, and heavy-duty suspension**, enhancing off-road performance.

---

#### **Cons**

1. **High Maintenance Costs** Diesel engines require **more frequent and expensive maintenance** than gasoline engines, including **fuel filters, injectors, turbocharger replacements, and DPF/EGR cleaning** (though the 2013 model predates some of the most problematic DPF issues).

2. **Fuel Efficiency Concerns** While better than gasoline trucks, the **6.0L Duramax gets around 12 18 MPG**, which can be costly over time, especially for long-haul driving.

3. **Transmission Issues (6L90)** Some owners report **rough shifting, delayed engagement, or failure** in the 6L90 transmission, particularly in high-mileage examples. A **transmission fluid flush and inspection** are recommended before purchase.

4. **Age and Wear** Being a **2013 model**, the truck may have **worn suspension, brakes, or drivetrain components** that need replacement soon.

5. **Rust Concerns** Older GM trucks (especially in snowy or coastal regions) can suffer from **frame and undercarriage rust**, which weakens structural integrity.

6. **Emissions Compliance** The **2013 model predates stricter emissions regulations**, meaning some aftermarket modifications (like exhaust tuning) may not be legal in all states.

7. **Resale Depreciation** While Duramax trucks hold value, they still depreciate over time, and newer diesel trucks (or even newer gasoline trucks) may offer better long-term value.

8. **Potential EGR/DPF Issues (Less Common in 2013)** While the **2013 Duramax predates the most problematic DPF systems**, some EGR-related issues (like clogged passages) can still arise.

---

### **Conclusion & Recommendation**

The **2013 GMC Sierra 2500HD/3500HD (6.0L, 6L90, 4x4)** is a **solid workhorse** for those needing **heavy-duty towing and hauling**, but it comes with **higher maintenance costs and potential reliability concerns** compared to newer trucks.

- **Farmers, contractors, or off-road enthusiasts** who prioritize **towing power and durability** over fuel efficiency.

- **Buyers who plan to keep the truck long-term** and are prepared for **regular diesel maintenance**.

- **Those who find a well-maintained example** with **clean service records** and **no major transmission or engine issues**.

- **Daily drivers** who prioritize **low running costs** a newer gasoline truck or hybrid might be more practical.

- **Buyers who dislike frequent maintenance** diesel engines require **more attention than gasoline engines**.

- **Those in harsh climates** (extreme cold or salt exposure) without **proper rust protection history**.

If you **find a low-mileage (under 100,000 miles) example with a clean service history**, **no transmission issues**, and **no signs of rust**, it can be a **great value** for its towing and durability. However, **budget for maintenance** (fuel filters, injectors, transmission fluid changes) and **inspect the transmission and drivetrain thoroughly** before purchasing.

For **better long-term reliability**, consider a **newer Duramax (2017 with DPF fixes) or a well-maintained gasoline truck** if diesel maintenance is a concern. But if you need **raw power and don t mind the upkeep**, this truck remains a **strong choice for heavy-duty work**.

Details:

Came out of a 2013 Silverado. 130,000 miles.

part #: 24257203 prices

• $268.46-$2016.00

specifications autotransmissionsgo:

• for models: 3500, 2500, 4x4, Sierra
• for makes: Gmc
• for years: 2012-2013
• mpn: 24257203
• vintage part: No
• type: Automatic Transmission
• condition and options: At; 6.0l, 4x4

shipping autotransmissionsgo:

• carrier: FedEx
• transit: 4-8 Days
• service: FedEx Ground / FedEx Home Delivery
• cost: $120.30
• type: Calculated
• class: Standard

seller autotransmissionsgo:

• rating: 100.0%
• # reviews: 271
• city: Roberts, Idaho

general autotransmissionsgo:

• Car Truck Parts Accessories > Transmission Drivetrain > Automatic Transmission
• condition: Used

returns autotransmissionsgo:

• policy: Returns Accepted
• paid by: Buyer
• time: 30 Days

offer autotransmissionsgo:

• availability: In Stock
• best offers: True
• started: March 13, 2026
• options: Ship-to-home
• sold: 0
• quantity: 1

payments autotransmissionsgo:

• other
• wallet: Google-pay
• money order
• credit card: Mastercard

Gmc 24257203 Is Similar To:

• 08 Gmc Acadia Automatic Transmission (47.5% similar) If needed replace timing gears, chains or belts gaskets. Pre-installation requirements: replace all seals. Clear all transmission computer codes prior to starting or operating vehicle. Flush and inspect cooling lines. Engines are guaranteed against knocking and excessive smoking. This engine comes ...(October 5th, 2017)
• 05 Astro 2005 Transmission Gmc Safari 100307 Chevy Automatic Rwd (35.6% similar) Persons of legal age must be present for delivery. Reset computer codes. Load is curbside delivery only. Daytime phone number is required, load will not deliver until appointment is scheduled. Box addresses. Automatic replace the following with new parts front pump seal, output shaft seal, pan ...(November 1st, 2014)
• 1104 Gmc 2010 Terrain Transmission (44.8% similar) The lower miles better quality, we maintain our quality by purchasing vehicles that are of low. You might think price is too high or low as not be comparing the same parts. Only those listing are being listed that qualify to be in tested and operational standards. 3: special Buddy cuts, frame ...(September 18th, 2017)
• Automatic Miles 2004 Chevrolet 0 Buick Oem 4sdd Transmission Gmc 12491882 (33.5% similar) Class thumb resize inmost FDA this. 2004 Chevrolet gmc Buick automatic transmission 4SDD new miles oem class thumb resize inmost FDA this. Please for a quote. Coming soon. If an item arrives damaged, please via message within 24 hours for instructions. Expedited shipping is available. Class thumb ...(February 14th, 2015)
• Gmc Automatic 1982-1987 4x4 Warranty Pickup Suburban Chevy Transmission (34% similar) 4X4, TH7 gasoline gmc 2500 pickup 87. Gasoline, W/O aux valve body Chevrolet 10 pickup 82. Manufactured trucks and Suva from 4X4, TH7 gasoline Chevrolet 20 pickup 87. 4X4, TH7 gasoline suburban. 4X4, TH7 gasoline, W/O aux valve body suburban. 4X4, TH7 gasoline Chevrolet 10 pickup 87. 4X4, TH7 ...(August 7th, 2014)
• 1999-2000 Gmc Sierra 1500 4x4 4.8l Automatic Transmission 81 065 Miles 400-3460 (58.4% similar) 8l 4X4 model's only. Fits sierra great...(September 4th, 2016)
• 1gc1cueg8ff640181 Chevrolet Gmc Silverado Automatic Transmission (43.8% similar) 90,000 miles...(January 10th, 2019)
• 4780e 2005 Gmc Transmission Mt1 Rpo Code (47.5% similar) Truck is in kilometers and has 157899KM which converts 157899KM 98113MI truck was purchased on with km. Dismantling 2005 gmc work truck with a transmission auto 4 sped, HMS, 4L80 remainder of truck is being sold see other posting and could be sold together. This transmission is in good working ...(May 30th, 2016)
• ISUZU GMC NPR Automatic Transmission 4BD2T (46% similar) This is a good used auto transmission out of a 1995 Isuzu NPR cab over truck that had around 200,000 miles on it. When the transmission was removed it was shifting and working good...(May 6th, 2014)
• Transmission Chevrolet 4l6oe 96 Gmc 5.0l 4x2 Cab Pickup 1500 2500 Ext Automatic (26.1% similar) Ext cab GM1500 96 auto at, 4X2, 4L60E opt M30, ext cab GM2500 96 auto at, 4X2, 4L60E opt M30, the parts compatibility list may not have all options listed. Ext cab CT2500 96 auto at, 4X2, 4L60E opt M30...(March 13th, 2015)
• 6e5z19d734ba F2ta7003ka Automatic Transmission 6spd 07 08 Chevy Silverado Gmc 2500 3500 Gas 4x4 6l90 Myd 400-422 (48.5% similar) 4X4GM 2749IDENT ska ' sped. 4X4 mileage 79,000 price 1,499. 4X4 3 SILV35 07. 4X4 9 SIER35 08. 4X4 4 SILV35 08. 4X4, 6 speed opt mud 2 SILV25 08. 4X4, 6 speed opt mud 7 SIER25 08. 6L90, X16R, mud. 4X4 5 SUB250 08. 4X410 YKXL25 08. Warranty 30 day, unlimited mileage on all engines and transmissions. ...(March 21st, 2016)