1988 CHEVROLET K20

454ci V8•4WD•AUTOMATIC•gas

5-Year Cost of Ownership

$7,204 maintenance + likely wear

~$1,441/yr · 120¢/mile equivalent

Compare this engine

305ci V8

350ci V8

4.3L V6

MOST COMMON JOBS8 jobs that 80% of techs look up

558 jobs across 18 categories

body (35)

brakes (41)

cooling (22)

drivetrain (36)

electrical (77)

emissions (1)

Oxygen Sensor Replacement
emissions

engine (70)

exhaust (25)

fuel (20)

fuel-system (9)

hvac (23)

ignition (16)

interior (24)

maintenance (33)

misc (2)

steering (26)

suspension (54)

transmission (44)

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Units

160 torque specs across 12 categories

brakes (23)

cooling (18)

drivetrain (17)

electrical (12)

engine (50)

exhaust (2)

fuel (4)

hvac (5)

ignition (3)

steering (8)

suspension (15)

transmission (3)

No DTC data for this vehicle.

BCI Group 78

Lead AcidOEM

estimated

850 CCA

Cold Cranking Amps

90 Ah

Amp Hours

140 min

Reserve Capacity

12V

Voltage

TerminalSide Post

PolarityRight Positive

Dimensions10.25" × 7.06" × 7.69"

🛒 Cross-references (buy at any parts store)

Fitment notes: 454ci V8 requires higher CCA rating; side post terminals standard on GM trucks of this era

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33 maintenance items across 1 category

maintenance (33)

No waveform references for this vehicle.

No NHTSA recalls on file for this vehicle.

Wiper blades

1988-1999 C/K series redesign (GMT400) increased to 18-inch symmetrical blades. Pickup body style has no rear wiper.

Driver side

18in

Passenger side

18in

Attachment

hook

18″ fits: Bosch ICON 18A/B · Rain-X WeatherBeater RX30118 · ANCO 31-18

Size-standard part numbers — verify your connector type before buying. Rear blades are model-specific; check the package's vehicle list.

Fuel economy figures are EPA data via fueleconomy.gov (median across matching trims). Performance figures are compiled estimates for the 1988 Chevrolet K20 454ci V8 and can vary by trim.

🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Lexus & Toyota Mechanic · 20+ years.

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