L43 Chevrolet L43

Атмосферний V6 двигун від Chevrolet, відомий своєю надійністю при належному обслуговуванні. Використовується в різних моделях автомобілів, включаючи пікапи та позашляховики.

Brand: Chevrolet Type: Petrol Configuration: V6 Production Years: 1999 - 2002 Production: Flint, Michigan, USA
60 Brand engines
7 Modifications

Technical Specifications

Engine Displacement 4.3 L (4,300 cc)
Configuration V6
Number of Cylinders 6
Valves per Cylinder 2
Power 180 - 200 л.с.
Torque 350 - 353 Н*м
Cylinder Bore 101.60 mm
Piston Stroke 88.40 mm
Compression Ratio 9.2:1
Firing Order 1-6-5-4-3-2
Fuel System Sequential Fuel Injection
Aspiration Naturally Aspirated
Intercooler No
Maximum RPM 5,600 rpm
Max Torque RPM 2,800 rpm
Valve Train OHV
Timing Drive Chain
Block Material Cast Iron
Head Material Cast Iron
Lubrication System Wet sump
Cooling System Liquid cooling

Additional Information

Engine Family Vortec
Manufacturing Plant Flint, Michigan, USA
Predecessor L35
Successor L59

Maintenance

Engine Oil Capacity 4.7 L (with filter: 5 L)
Recommended Viscosity 5W-30
Oil Standard API SL
Recommended Brands ACDelco, Mobil 1, Valvoline
Oil Change Interval 10 000 km or 12 mo
Oil Filter PF52
Air Filter A1618C
Replace every 30 000 km
Fuel filter GF652
Spark Plugs Type: Platinum
Part number: 41-993
Gap: 1.5 mm
Quantity: 6 pcs
Replace every 60 000 km
Coolant Capacity 12 L
Coolant Type Dex-Cool (ACDelco)
Coolant Change Interval 240 000 km
Thermostat Opening Temperature 92°C
Operating Temperature 90°C
Max Operating Temperature 110°C
Critical Temperature 120°C
Annual Maintenance Cost 500-800 USD

Reliability

Reliability rating: 7/10

Expected lifespan: 300 000 km

Common problems

Problem Severity Mileage Repair cost
Intake manifold gasket failure Medium 100000-150000 km $400-600
Fuel pump failure High 120000-180000 km $600-900

Known defects

  • Intake manifold gasket issues
  • Fuel pump reliability

Tuning potential

Tuning potential: Medium | Max. safe power: 300 hp

Stage Power Torque Method Cost
Stage 1 220 hp 380 Nm ECU remap
Reliability impact: Minimal 		$400
Stage 2 250 hp 420 Nm -
Required: Cold air intake, Performance exhaust
Reliability impact: Low 		$1500
Stage 3 280 hp 450 Nm -
Required: Supercharger kit, Upgraded fuel injectors
Reliability impact: Medium 		$5000

Popular modifications

  • Cold air intake
  • Performance exhaust
  • ECU remap

Tuning limitations

  • Stock internals limit high power gains
  • Transmission may need upgrades for high power

Cars with the L43 engine

This engine was fitted to 5 models

Photo Brand Model Generation Production years
No photo
 Chevrolet Silverado Silverado 1500 HD 2001 - 2006
No photo
 Buick Skyhawk Skyhawk (J-body) 1982 - 1989
No photo
 Chevrolet El Camino El Camino (G-body) 1973 - 1977
No photo
 Chevrolet S-10 Pickup S-10 Pickup (GMT325) 1982 - 1993
No photo
 GMC Sierra Sierra (GMT800) 1998 - 2006

All modifications (7)

Vehicle Generation Modification Power Gearbox Drive
Chevrolet Silverado Silverado 1500 HD 4.3L V6 200 л.с. 4-ступ. Автомат 2WD 200 hp 4-ступ. Автомат 2WD
Chevrolet Silverado Silverado 1500 HD 4.3L V6 200 л.с. 4-ступ. Автомат 4x4 200 hp 4-ступ. Автомат 4x4
Buick Skyhawk Skyhawk (J-body) 1.8L I4 92 л.с. 4-МКП 2WD 92 hp 4-МКП 2WD
Chevrolet El Camino El Camino (G-body) V6 4.3L 155 л.с. 3-МКП 2WD 155 hp 3-МКП 2WD
Chevrolet S-10 Pickup S-10 Pickup (GMT325) 4.3L V6 160 л.с. 4-Автомат 2WD 160 hp 4-Автомат 2WD
Chevrolet S-10 Pickup S-10 Pickup (GMT325) 4.3L V6 190 л.с. 5-МКП 4x4 190 hp 5-МКП 4x4
GMC Sierra Sierra (GMT800) 4.3 L V6 195 л.с. 5-Автомат 2WD 195 hp 5-Автомат 2WD

Interesting Facts

  • The L43 was part of the Vortec engine family known for its reliability and torque.
  • It was commonly used in Chevrolet's light trucks and SUVs.

Applications

Total produced: unknown

Vehicle Generation Years Power Markets
Chevrolet S-10 Second Generation 1999-2002 180hp North America
Chevrolet Blazer Second Generation 1999-2002 180hp North America

Compatible transmissions: 4-speed Automatic, 5-speed Manual

Drive types: RWD, 4WD

Fuel Economy

Fuel Type Petrol 87
Octane Rating Minimum: 87 | Recommended: 87
Consumption (City) 14.7 L/100km
Consumption (Highway) 10.2 L/100km
Consumption (Combined) 12.5 L/100km
Real Consumption 13 L/100km
Fuel Tank Capacity 98 L
Range 784 km
Cost per 100 km 15-20 USD

Emissions Standards

Emission Standard Euro 3
CO₂ Emissions 290 g/km
Particulate Filter (DPF) Absent
AdBlue Not Required

Comparison with competitors

Engine Brand Displacement Power Torque
4.0L Cologne V6 Ford 4,009 cc 160 hp 305 Nm

Pros

  • Higher torque compared to some competitors
  • Known for durability

Cons

  • Higher fuel consumption
  • Intake manifold gasket issues