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General Motors 4.3L Generator Set

The General Motors 4.3L is a generator set powered by a 4.3L V-6 engine. It holds about 4.5 L (1.2 gal) of oil and 7.75 L (2.0 gal) of coolant.

2.62 L
Displacement
4.5 L
Oil capacity
3
Document types

Specifications

Oil capacity4.5 L
Coolant capacity7.75 L

Engine

4.3L V-6
Oil capacity5.0 L
Coolant capacity8.0 L
Displacement2.62 L

Filters & service parts

model family
ItemSpecCapacityPart #Interval
Air filterReplace as needed based on visual check for fluid leaks, check engine oil level, and check coolant level.150 hr
Fuel filterReplace Gasoline Fuel Filter (4)500 hr
Oil filterChange Enzine Oil & Filter (1)200 hr
BatteryDisconnect and remove the battery during storage.60 hr
BeltInspect accessory drive belts for cracks, breaks, splits or glazing.150 hr
Coolant filterChange coolant every 5,000 hours or 5 years (whichever occurs first).100 hr
OilChange Engine Oil & Filter (1)200 hr
Spark plugReplace Spark Plugs (3)1000 hr

Compiled from this model's family documentation — may include parts for closely-related variants. Confirm the exact part for your serial number.

Common questions

Which engine powers the General Motors 4.3L?

The General Motors 4.3L is powered by the 4.3L V-6 engine.

What's the oil capacity on a General Motors 4.3L?

The None 4.3L V-6 engine in the General Motors 4.3L has an oil capacity of 5.0 liters.

Troubleshooting

6

Symptoms & remedies

SymptomRemedy
PRE-HI ENGINE TEMP LED. Engine continues to operate1. Indicates engine has begun to overheat and engine temperature has risen approximately 215°F (105°C). If generator is powering non-critical and critical loads and cannot be shut down. a. Reduce load if possible by turning off non-critical loads. b. Check air inlets and outlets and remove any obstructions to airflow. c. Open doors or windows in generator area to increase ventilation. 2. If engine can be stopped, follow procedure i in Step 2.
HI ENGINE TEMP LED. Engine shuts down1. Indicates engine has overheated (engine temperature has risen above 225°F/110°C) or coolant level is low (sets with coolant level sensor). Allow engine to cool down completely before proceeding with the following: a. Check coolant level and replenish if low. Look for possible coolant leakage points and repair if necessary. b. Check for obstructions to cooling airflow and correct as necessary. c. Check for a slipping fan belt and tighten if loose. d. Reset control and restart after locating and correcting problem. Contact your Dealer or Distributor if none of the above.
PRE LOW OIL PRESSURE LED. Engine continues to operate3. Indicates engine oil pressure has dropped to 20 psi (138kPa). If generator is powering critical loads and cannot be shut down, wait until next shutdown period and then follow Step 4 procedure. If engine can be stopped, follow procedures in Step 4.
LOW OIL PRESSURE LED. Engine shuts down4. Indicates engine oil pressure has dropped to 15 psi (97kPa). Check oil level, lines and filters. If the oil system is okay, but oil level is low, replenish. Reset control and restart. Contact your Dealer or Distributor if oil pressure is not in the range of 35 to 55 psi (21 to 379 kPa).
OVERCRANK LED. Engine stops crankingA. Check for empty fuel tank, fuel leaks, or plugged fuel lines and correct as required. b. Check for dirty fuel filter and replace if necessary (See Maintenance section of Engine Manual). c. Check for dirty or plugged air filter and replace if necessary (See Maintenance section of Engine Manual). d. Refer to Step 4. e. Reset the control and restart after correcting the problem. Contact your Dealer or Distributor for service if none of the above.
Engine runs and then shuts down, OVERSPEED LEDIndicates engine has exceeded normal operating speed. Refer to governor adjust procedure. Contact your Dealer or Distributor for service.

Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing. Full General Motors 4.3L troubleshooting guide (44 entries) →

Parts

40
Part #DescriptionQtySystem
29-0830CLIP6Clip buy
30-0454SCREW6Screw buy
30-0594SCREW2Screw buy
30-0829U-NUT6U nut buy
30-0963SCREW4Screw buy
31-0262BOLT-BRACE3Bolt brace buy
31-0870NUT5Nut buy
31-0871NUT-EMBLEM2Nut emblem buy
31-1520HOOD LATCH SUPPORT1Hood latch support buy
31-1602RETAILER8Retailer buy
31-3632BRACE4Brace buy
38-0315SIDE DEFLECTOR SET SMOKE STD CAB 88-982PCSide deflector set buy
38-0316SIDE DEFLECTOR SET SMOKE EXT CAB 88-984PCSide deflector set buy
38-0918ADHESIVE MOLDING BLACK/CHROME "A"1Air filter buy
38-1239HAND RIVETER SETHand riveter set buy
38-1289HAND RIVETER SET-HDHand riveter set hd buy
38-1941CHROME CAB HANDLE SET2Chrome cab handle set buy
39-3402EMBLEM 'BOWTIE' W/O SPORT CHEVY 88-931Emblem bowtie w o sport buy
39-3404EMBLEM 'BOWTIE' W/O SPORT CHEVY 94-981Emblem bowtie w o sport buy
39-4055GRILLE-REPRO CHROME/GRAY 'A' CHEVY 88-931Grille repro chrome gray a buy
39-4057GRILLE-REPRO BLACK 'B' CHEVY 88-931Grille repro black b buy
39-4063GRILLE-REPRO CHROME/GRAY 'A' CHEVY 94-981Grille repro chrome gray a buy
39-4067GRILLE-REPRO BLACK 'B' CHEVY 94-981Grille repro black b buy
39-4071GRILLE-REPRO SILVER/GRAY 'A' GMC 88-931Grille repro silver gray a buy
39-4073GRILLE-REPRO GRAY 'A' GMC 88-931Grille repro gray a buy
39-4075GRILLE-REPRO BLACK 'B' GMC 88-931Grille repro black b buy
39-4083GRILLE-REPRO BLACK 'A' GMC 94-981Grille repro black a buy
39-4085GRILLE-REPRO BLACK 'B' GMC 94-981Grille repro black b buy
39-7402AIR DEFLECTORS & HARDWARE1Air filter buy
39-7460LOWER GRILLE PANEL-LH 'B' BLACK 88-931Lower grille panel lh black buy
39-7462LOWER GRILLE PANEL-CNTR 'B' BLACK 88-931Lower grille panel cntr black buy
39-7463LOWER GRILLE PANEL-RH 'B' BLACK 88-931Lower grille panel rh black buy
39-7464LOWER GRILLE PANEL-LH 'B' BLACK 94-981Lower grille panel lh black buy
39-7467LOWER GRILLE PANEL-RH 'B' BLACK 94-981Lower grille panel rh black buy
39-7474LOWER GRILLE PANEL SET CHROME 94-981Lower grille panel set chrome buy
39-9572-TGRILLE/RAD SUPPORT 'A' 5.0L 96-981Grille radiator support buy
37-4045WIPER BLADE 2ND DESIGN2Service part / kit buy
37-7305WINDOW VISOR-STAINLESS2PC SETService part / kit buy
38-0312IN-CHANNEL WINDOW VISORS2PCService part / kit buy
38-0921VINYL YARN BUSHING1Service part / kit buy

Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.

Available documents

Reference — 4.3L-262CID-Torque-Specs (General Motors)Parts manual — cdComplete (General Motors)Service manual — Cert. Stationary Operations and Mantainance Manual 36100014F (General Motors)Service manual — GM PSI Manual 04-16-02 (General Motors)