1. Automatic Transmissions Products
  2. sku: 24156951423244813
  3. CORVETTE 24203742

CORVETTE 24203742 Automatic Gm 9657-S

fits model: C5. year: 1998–1999.

24203742 Corvette 98-99 C5 Automatic Transmision Assembly Gm 9657-s

( Brand: Corvette ), ( Manufacturer Part Number: 24203742 ), ( Type: Automatic Transmission ), ( Universal Fitment: No )

Review CORVETTE Automatic Transmision Assembly Gm fits C5 1998–1999

The **1998-1999 Chevrolet Corvette C5 (VIN 24203742) with a 9657-S automatic transmission** represents a refined and powerful cornerstone of the iconic American muscle car legacy, blending cutting-edge engineering with timeless performance. This particular model exemplifies the evolution of the Corvette platform, where General Motors seamlessly merged the raw exhilaration of a V8 engine with the precision and convenience of a smooth-shifting automatic transmission. Under the hood, the **5.7L LT1 V8** roars to life, producing a robust **345 horsepower** and **355 lb-ft of torque**, delivering a dynamic yet approachable driving experience that appeals to both enthusiasts and everyday drivers alike. The **9657-S automatic transmission**, a robust four-speed unit with a torque converter, ensures effortless power delivery, allowing the driver to focus on the open road rather than manual shifting. This transmission is paired with a **T56 Hydra-Matic** system, known for its reliability and smooth operation, making it an ideal choice for those who appreciate performance without sacrificing comfort.

The exterior of this **C5 Corvette** is a study in aerodynamic elegance, featuring a **sleek, low-profile design** with sharp creases, a distinctive **split rear window**, and a **wide, aggressive stance** that turns heads at every turn. The **black-painted 17-inch wheels** (or optional 18-inch wheels, depending on configuration) complement the **stylish body kit**, which includes **side skirts, a rear diffuser, and a prominent front splitter**, enhancing both aesthetics and downforce for improved handling. Inside, the cabin is a masterclass in driver-focused luxury, with **high-quality materials**, including **soft-touch dash panels, a leather-wrapped steering wheel, and premium upholstery** in either **black or optional tan/black** combinations. The **6-speed automatic transmission** is controlled via a **smooth-shifting shifter**, while the **digital instrument cluster** provides real-time feedback on speed, RPM, and fuel efficiency, ensuring the driver remains connected to the performance at hand.

Mechanically, this Corvette is a marvel of balance, combining **sharp handling** with **comfortable ride quality**. The **multi-link suspension system** delivers precise cornering, while the **stabilizer bars and adjustable dampers** (on later models) allow for fine-tuned tuning. The **disc brakes** (ventilated front and solid rear) provide confident stopping power, and the **limited-slip differential** ensures optimal power transfer during spirited driving. Whether cruising on the highway or navigating tight curves, this C5 automatic offers a **smooth yet engaging ride**, proving that performance and comfort can coexist harmoniously.

For those who appreciate both heritage and modernity, this **1998-1999 Corvette C5 automatic** is a **perfect blend of power, precision, and practicality**. Whether used for daily driving, weekend track sessions, or weekend getaways, this vehicle embodies the spirit of American automotive innovation a true icon that continues to captivate enthusiasts and collectors alike. With its **timeless design, reliable LT1 engine, and smooth-shifting automatic transmission**, this Corvette stands as a testament to GM s ability to deliver a high-performance machine that is as enjoyable to own as it is to drive.

### **Pros and Cons of Buying a 1998-1999 Chevrolet Corvette (C5) with Automatic Transmission (VIN: 24203742, 9657-S Engine)**

#### **Pros**

1. **Classic C5 Design and Prestige**

The 1998-1999 Corvette is one of the most iconic American muscle cars, featuring a sleek, aerodynamic coupe design with a distinctive front grille, pop-up headlights, and aggressive stance. It holds significant collector value and is highly desirable among enthusiasts.

2. **Strong Performance (Manual Option, but Automatic is Capable)**

While the C5 is most famous for its manual transmission, the automatic (4L60-E) version still delivers impressive power. The **9657-S engine** (a high-output version of the LT1) produces **345 horsepower** and **355 lb-ft of torque**, making it one of the most powerful production V8s of its era. The automatic transmission, though not as engaging as the manual, is smooth and capable of handling the power well.

3. **Reliability (If Well-Maintained)**

The C5 chassis is known for its durability, especially when properly maintained. The **LS1/LT1 engine** is a robust powerplant that can last well over 100,000 miles with regular upkeep. The automatic transmission (4L60-E) is also a proven unit, though it requires proper fluid changes and occasional servicing.

4. **Aftermarket Support and Modifications**

The C5 has a vast aftermarket community, offering everything from performance upgrades (superchargers, cold air intakes, exhaust systems) to cosmetic enhancements (body kits, paint, interior upgrades). This makes it relatively easy to customize and keep relevant.

5. **Potential for Appreciation**

While not as valuable as a manual C5, an automatic version can still appreciate over time, especially if it s in good condition. The rarity of automatic C5s (compared to manuals) may also drive up demand in the future.

6. **Comfortable for Daily Driving (Compared to Earlier Corvettes)**

The C5 is more refined than its predecessors (C4), with better suspension tuning, improved interior quality, and a quieter cabin. The automatic transmission makes it more approachable for those who prefer ease of use over manual shifting.

---

#### **Cons**

1. **Higher Maintenance Costs**

The C5, especially with an automatic transmission, can be expensive to maintain. Key areas of concern include:

- **Transmission (4L60-E):** While durable, it requires **proper fluid changes (every 30K-50K miles)** and occasional rebuilds if neglected. Some owners report issues with torque converter failure or internal wear over time.

- **Engine (LT1/9657-S):** While robust, the **valvetrain and oil pump** can wear out, leading to oil leaks or valve float. The **oil pump** is a known weak point in some units.

- **Suspension & Brakes:** The C5 s suspension wears out over time, and brake pads/rotors may need frequent replacement, especially if driven aggressively.

- **Electronics:** The **PCM (Powertrain Control Module)** can fail, requiring replacement (a costly $1,000 part).

2. **Lower Fuel Efficiency**

The LT1 engine is thirsty, averaging **12-14 MPG in the city and 18-20 MPG on the highway**. This can be costly for daily driving, especially with rising fuel prices.

3. **Less Engaging Than Manual (But Still Fun)**

While the automatic transmission is smooth, it **lacks the direct engagement and fun factor** of a manual C5. The torque converter can also cause a slight lag when accelerating from a stop, reducing the "instant power" feel of the manual version.

4. **Potential for Hidden Issues**

- **Water Pump Failures:** Some C5s have had **water pump failures**, leading to overheating. Replacement is expensive ( $500 ).

- **Coolant Leaks:** The **thermostat housing and radiator hoses** can leak, requiring attention.

- **Rust (Especially in Snow Belt Areas):** If the car was stored in a wet climate, rust in the **wheel wells, subframe, and exhaust** can be a concern.

- **Transmission Slippage:** Some 4L60-E transmissions develop **slippage or rough shifting** over time, especially if fluid wasn t changed properly.

5. **Higher Purchase Price (Compared to Non-Corvettes)**

Even though it s an automatic, a C5 will cost significantly more than a comparable performance car (e.g., a Camaro Z28 or Mustang GT). Buyers should expect to pay **$20,000 $40,000 **, depending on condition and mileage.

6. **Limited Aftermarket for Automatic-Specific Upgrades**

While the C5 has a strong aftermarket, some **performance mods (e.g., superchargers, exhaust headers)** are more commonly found on manual versions. Automatic-specific upgrades (like **transmission coolers or torque converter upgrades**) may be harder to find.

7. **Depreciation Risk (If Not Well-Cared-For)**

If the car has **neglected maintenance, rust, or transmission issues**, it can depreciate quickly. Buyers should ensure the vehicle has a **full service history** to justify its value.

---

### **Conclusion & Recommendation**

#### **Who Should Buy This Corvette?**

- **Enthusiasts who prioritize prestige and driving experience over daily practicality** If you love the C5 s looks, power, and legacy, the automatic version is a viable (if less engaging) option.

- **Those who prefer automatic transmissions** If you dislike manual shifting, the automatic is a great way to enjoy the C5 s power without the hassle.

- **Buyers who plan to maintain it properly** If you re willing to **budget for transmission fluid changes, oil system upgrades, and potential water pump/replacement**, this can be a rewarding purchase.

- **Investors looking for a future-proof classic** While not as valuable as a manual, a **well-documented automatic C5** can still appreciate, especially if it s in low mileage and good condition.

#### **Who Should Avoid It?**

- **Budget-conscious buyers** The maintenance costs add up quickly, and unexpected repairs (transmission, water pump, etc.) can be expensive.

- **Those who want a daily driver** The poor fuel economy and high maintenance make it less practical for everyday use.

- **Manual transmission purists** If you love the **instant throttle response and engagement** of a manual C5, the automatic won t fully satisfy.

- **Buyers who can t verify maintenance history** A C5 with **no service records** is a risky purchase due to potential hidden issues.

#### **Final Recommendation**

If you **find a 1998-1999 C5 automatic in excellent condition with a full service history, proper transmission maintenance, and no rust or major mechanical issues**, it can be an **excellent investment and a fun car to own**. However, **budget at least $25,000 $40,000** for a reliable example, and be prepared for **ongoing maintenance costs** (especially transmission and oil system upkeep).

**Before purchasing:**

- **Get a pre-purchase inspection (PPI) from a Corvette specialist.**

- **Verify transmission fluid changes (must be done every 30K-50K miles).**

- **Check for oil leaks (valve cover, oil filter housing gasket).**

- **Inspect the water pump and cooling system.**

- **Test drive and listen for unusual noises (transmission whine, engine ticking).**

If these checks pass, the **1998-1999 C5 automatic is a fantastic choice** just be prepared for the responsibilities that come with owning a classic muscle car. If you re unsure about maintenance, consider a **manual C5 or a newer Corvette** for a more hands-off experience.

Details:

V Convertible Automatic. Any OPEN OR ALTERATION will break warranty.

part #: 24203742 price

  • $750.00

specifications autotransmissionsgo:

  • for models: C5
  • for years: 1998-1999
  • brand: Corvette
  • mpn: 24203742
  • type: Automatic Transmission
  • universal fitment: No

seller autotransmissionsgo:

  • city: Miami, Florida
  • rating: 99.6%
  • # reviews: 4910

returns autotransmissionsgo:

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

shipping autotransmissionsgo:

  • class: Economy, Standard
  • type: Fixed
  • transit: 5-12 Days
  • cost: $275.00
  • carrier: FedEx, UPS
  • service: FedEx Ground Economy, UPS Ground

offer autotransmissionsgo:

  • quantity: 1
  • started: June 11, 2026
  • options: Ship-to-home
  • availability: In Stock
  • sold: 0

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general autotransmissionsgo:

  • Car Truck Parts Accessories > Transmission Drivetrain > Automatic Transmission
  • condition: Used
for models: c5, for years: 1998-1999, type: automatic transmission, universal fitment: no,
category: auto parts > car truck parts accessories > transmission drivetrain > automatic transmission, sku: 24156951423244813,
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1 offer $750.00 USD
  • Used. Offer #1 priced at $750.00 + $275.00 shipping estimate = $1025.00* total. Any OPEN OR ALTERATION will break warranty. Automatic Ttansmision Assembly.+$275.00 shipping

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