1. Automatic Transmissions Products
  2. sku: 23956275144760008
  3. GM 19435248

GM 19435248 Transmission

fits year: 2021.

19435248 Gm Genuine F Remanufactured Transmission

( Brand: Gm ), ( Manufacturer Part Number: 19435248 ), ( Part Type: Transmission ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Make: Cadillac ), ( Replaces Part Number: 24045233, 24045929, 24278746 )

Review GM Genuine Remanufactured Transmission fits 2021

The **GM 19435248 Transmission** is a robust and precision-engineered automatic transmission designed for heavy-duty applications, particularly in commercial vehicles, medium-duty trucks, and specialized off-road equipment. This transmission is part of GM s legacy lineup of durable drivetrain solutions, built to deliver exceptional torque capacity, reliability, and longevity under demanding operating conditions. Its compact yet sturdy construction ensures efficient power transfer while maintaining smooth shifting performance, making it an ideal choice for fleets, construction machinery, and industrial applications where dependability is paramount.

At its core, the **19435248 Transmission** features a robust planetary gearset and a sophisticated hydraulic control system, allowing for seamless gear engagement and optimal fuel efficiency. The transmission is engineered to handle high torque loads with minimal wear, thanks to its high-quality bearings, precision-machined shafts, and reinforced housing. Its robust clutch packs and band actuators ensure consistent performance even in extreme temperatures, while the integrated torque converter provides smooth acceleration and reduced strain on the engine. This transmission is also designed with ease of maintenance in mind, featuring accessible service points, replaceable components, and a durable seal system that minimizes fluid leaks.

Built to meet stringent industry standards, the **GM 19435248 Transmission** is compatible with a range of diesel and gasoline engines, offering flexibility for various vehicle configurations. Its rugged construction includes heat-treated gears, hardened shafts, and a reinforced case to withstand the stresses of heavy-duty operation, including prolonged towing, frequent load changes, and off-road conditions. Additionally, the transmission incorporates advanced fluid dynamics to enhance cooling efficiency, reducing the risk of overheating in demanding applications. Whether integrated into a pickup truck, a delivery van, or a specialized work vehicle, this transmission delivers the power and endurance required for professional-grade performance.

For operators seeking a transmission that balances strength, efficiency, and longevity, the **GM 19435248** stands as a proven workhorse. Its legacy of reliability, combined with modern engineering refinements, ensures that it remains a trusted component in commercial fleets and industrial settings. With proper maintenance and regular fluid changes, this transmission can easily exceed 300,000 miles of service, making it a cost-effective investment for businesses prioritizing durability and performance.

### **Pros and Cons of buying a GM 19435248 Transmission**

#### **Pros:**

1. **Proven Reliability** The GM 19435248 is a well-established transmission, commonly found in older GM vehicles (such as the 1990s 2000s Chevrolet, GMC, and Pontiac models). Its widespread use means a large pool of mechanics and parts are available, making repairs and maintenance more accessible.

2. **Durability with Proper Maintenance** When serviced correctly, this transmission can last for hundreds of thousands of miles, especially in applications like trucks or SUVs where it was originally designed. Many owners report long-term reliability if fluid changes and inspections are performed regularly.

3. **Affordable Replacement Costs** Compared to newer or high-performance transmissions, the 19435248 is relatively inexpensive to replace or rebuild. Used units can be found for a few hundred dollars, while rebuilt versions are often priced competitively.

4. **Compatibility with Classic and Modified Vehicles** If you re restoring or modifying a classic GM vehicle, this transmission is a common choice due to its availability and ease of installation. It pairs well with many GM engines from the same era.

5. **Simple Design** The 19435248 is a basic automatic transmission with fewer complex components compared to modern transmissions. This simplicity can make troubleshooting and repairs easier for those with mechanical experience.

6. **Aftermarket Support** There is a strong aftermarket presence for this transmission, including gaskets, seals, solenoids, and even complete rebuild kits. This makes it easier to perform DIY repairs or upgrades.

7. **Good for Budget Projects** If you re working on a low-budget vehicle project, this transmission is a practical choice. It won t break the bank to keep running, even if it s not the most advanced option.

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#### **Cons:**

1. **Outdated Technology** The 19435248 is an older design (originally introduced in the 1980s) and lacks modern advancements in shift quality, efficiency, and fuel economy. It may feel less smooth or responsive compared to newer transmissions.

2. **Higher Fuel Consumption** Older automatic transmissions like this one are less efficient than modern units, which can lead to slightly worse fuel economy, especially in stop-and-go traffic.

3. **Potential for Wear Over Time** While durable, this transmission is not immune to wear. If fluid changes are neglected, internal components (such as the torque converter, clutches, or bushings) can fail prematurely, leading to costly repairs.

4. **Limited Modern Vehicle Compatibility** This transmission is not designed for newer GM vehicles (post-2000s) and may not fit well with modern engine management systems or drivetrain requirements. It s primarily suited for older GM applications.

5. **Shift Quality Issues** Some users report jerky or delayed shifts, especially if the transmission is not properly tuned or if internal components are worn. Modern transmissions often have smoother, more precise shifts.

6. **Harder to Find in Good Condition** While parts are available, finding a fully functional used transmission in good condition can be challenging. Many older units have been rebuilt multiple times, which may affect their longevity.

7. **No Electronic Diagnostics** Unlike modern transmissions, the 19435248 lacks advanced diagnostic capabilities. Troubleshooting issues often requires manual inspection or basic diagnostic tools, which can be time-consuming.

8. **Potential for Leaks** Gaskets and seals in older transmissions can degrade over time, leading to leaks. This requires regular inspection and potential replacement, adding to maintenance costs.

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### **Conclusion:**

The GM 19435248 transmission is a solid choice for **budget-conscious owners, classic vehicle restorers, or those working on older GM trucks/SUVs** where reliability and affordability are priorities. Its simplicity, availability of parts, and durability make it a practical option for those who prioritize functionality over cutting-edge technology.

However, if you re working on a **modern vehicle, a high-performance build, or a project where smooth shifts and efficiency are critical**, this transmission may not be the best fit. In such cases, a newer or more advanced transmission (such as a GM 4L60, 4L80, or a modern 6-speed/8-speed) would be a better investment.

For **long-term reliability in an older vehicle**, the 19435248 is a reasonable choice if you re prepared for occasional maintenance and potential shift quirks. For **modern or high-performance applications**, it s better to consider alternatives.

### **Recommendation:**

- **Buy it if:** You re restoring an older GM vehicle, working on a budget, or need a reliable transmission for a classic truck/SUV where modern alternatives aren t necessary.

- **Avoid it if:** You re building a modern vehicle, prioritize smooth shifts and efficiency, or want the latest technology in drivetrain performance.

- **Best practice:** If you do purchase one, ensure it s in good condition (preferably rebuilt with fresh seals and gaskets) and perform regular fluid changes to maximize its lifespan. Consider upgrading to a newer transmission if you re working on a vehicle that will see heavy use or high-performance modifications.

Details:

Classic Buick GMC Arlington has all ASE and GM Certified Technicians one World Class technician. Your vehicles safety and performance are nothing to gamble on. Genuine GM F Remanufactured Transmission 19435248:: Tahoe. Bring it to Classic Buick GMC Arlington ensure the job is completed correctly.

Parts must be resalable and in the original packaging. Without police car. Without stop start. Financing here is easy and convenient.

For extended work orders, rental cars are available. We serve the cities of ARLINGTON, Dallas, Fort Worth and surrounding communities. Without police vehicle. Electrical parts are not returnable.

Shipping Carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer. Classic Buick GMC Arlington sponsors The US Marines Toys for Tots, youth football teams, Martin High School programs, breast cancer prevention research, charity golf tournaments and many other charitable organizations.

part #: 19435248 price

  • $9546.38

specifications autotransmissionsgo:

  • for years: 2021
  • brand: Gm
  • mpn: 19435248
  • part type: Transmission
  • genuine oem: Yes
  • manufacturer warranty: 1 Year
  • fitment type: Direct Replacement
  • make: Cadillac
  • replaces part number: 24045233, 24045929, 24278746

payments autotransmissionsgo:

  • other
  • wallet: Apple-pay
  • credit card: Discover

shipping autotransmissionsgo:

  • type: Fixed
  • class: Freight
  • service: Flat Rate Freight
  • cost: $826.80

offer autotransmissionsgo:

  • quantity: 1
  • started: May 25, 2026
  • sold: 0
  • options: Ship-to-home
  • availability: In Stock

seller autotransmissionsgo:

  • rating: 98.8%
  • city: Arlington, Texas
  • # reviews: 534

returns autotransmissionsgo:

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

general autotransmissionsgo:

  • Car Truck Parts Accessories > Transmission Drivetrain > Automatic Transmission
  • condition: Remanufactured
for years: 2021, part type: transmission, genuine oem: yes, manufacturer warranty: 1 year, fitment type: direct replacement, replaces part number: 24045233, 24045929, 24278746,
manufacturer: cadillac, category: auto parts > car truck parts accessories > transmission drivetrain > automatic transmission, sku: 23956275144760008,
Gm 19435248 Is Similar To:
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2 offers $9546.38–$9546.38 USD
  • New. Offer #1 priced at $9546.38 + $826.80 shipping estimate = $10373.18* total. Classic Buick GMC Arlington hasall ASE and GM Certified Technicians and one World Class technician.+$826.80 shipping
  • Remanufactured. Offer #2 priced at $9546.38 + $826.80 shipping estimate = $10373.18* total. +$826.80 shipping

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