How to replace the alternator in a 4.3L engine on Chevrolet Silverado 1500?

Before changing a generator in a 4.3l engine, you have to disconnect the negative cable of the battery. Remove the air cleaner outlet resonator and belt drive. Remove the A/C Compressor/condenser hose bracket bolt and loosen the clip that holds the engine wiring harness onto the A/C Compressor/condenser hose bracket. Next, remove the heater outlet hose clamp bolt bolt at the generator bracket as well as remove the engine wire harness electrical connector from the generator. In response, you repose the engine wiring harness boot and eliminate the engine wiring harness nut and lead from the generator. Unbolt the generator and move the heater outlet and a/c hoses accordingly to pull out the generator from the bracket. During installation, mount the new generator into the bracket, set the hoses and bolt the generator to the bracket with 50 nm (37 lb ft) (Turney, DiFazio, Thompson, n.d.). Reinstall the engine wiring harness lead and the nut putting the nut on 9 nm (80 lb in), then bringing the wiring harness boot over the generator stud and connecting the electrical connector. Install the heater outlet hose clamp bolt by tightening it to 25 nm (18 lb ft), followed by the A/C Compressor and condenser hose bracket bolt tightened to 25 nm (18 lb ft). Reattach the engine wiring harness clip, as well as the Drive Belt and the air cleaner outlet resonator. Finally, reconnect the negative cable of the battery.

OEM Chevrolet Silverado 1500 Alternator

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24 Alternators found

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Chevrolet Silverado 1500 Alternator
Part Number: 22781131
$266.46 MSRP: $587.66
You Save: $321.20 (55%)
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Product Specifications
- Other Name: Generator Assembly; Generator, Engine Electrical
- Replaces: 19118686, 15847291, 94665137, 15222342, 15124532, 15222341, 15226003, 20989651
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2007 Chevrolet Silverado 1500 | LS, LT, LTZ, SS, WT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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Chevrolet Silverado 1500 Alternator
Part Number: 22949467
$262.87 MSRP: $493.66
You Save: $230.79 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Generator Assembly
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2018 Chevrolet Silverado 1500 | Custom, High Country, LS, LT, LTZ, SSV, WT | 6 Cyl 4.3 L FLEX, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 5.3 L MILD HYBRID EV-GAS (MHEV), 8 Cyl 6.2 L GAS
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Chevrolet Silverado 1500 Alternator
Part Number: 20881337
$267.59 MSRP: $531.14
You Save: $263.55 (50%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Generator Assembly; Generator, Engine Electrical
- Replaces: 15905874, 25869451, 15905872, 22781127, 25968616
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2013 Chevrolet Silverado 1500 | Hybrid, LS, LT, LTZ, WT, XFE | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV), 8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX
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Chevrolet Silverado 1500 Alternator
Part Number: 19244751
$337.37 MSRP: $658.04
You Save: $320.67 (49%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Generator Assembly, (Remanufacture); Generator, Engine Electrical
- Replaces: 10464476, 15200109, 15263859, 20989650, 22781130, 19151921
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2007 Chevrolet Silverado 1500 | Base, LS, LT, LTZ, SS, WT, Z71 Off-Road | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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Chevrolet Silverado 1500 Alternator
Part Number: 84143540
$359.20 MSRP: $692.21
You Save: $333.01 (49%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Generator Assembly-.; Generator, Engine Electrical
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2015-2018 Chevrolet Silverado 1500 | Custom, High Country, LS, LT, LTZ, SSV, WT | 6 Cyl 4.3 L FLEX, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 5.3 L MILD HYBRID EV-GAS (MHEV), 8 Cyl 6.2 L GAS
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Chevrolet Silverado 1500 Alternator
Part Number: 84143543
$319.65 MSRP: $587.47
You Save: $267.82 (46%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Generator, Auxiliary; Generator, Engine Electrical
- Replaces: 22747896, 23487089
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2019 Chevrolet Silverado 1500 | Custom, Custom Trail Boss, High Country, LS, LT, LT Trail Boss, LTZ, RST, SSV, WT | 6 Cyl 4.3 L FLEX, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 5.3 L MILD HYBRID EV-GAS (MHEV), 8 Cyl 6.2 L GAS
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Chevrolet Silverado 1500 Alternator
Part Number: 15128978
$307.79 MSRP: $609.73
You Save: $301.94 (50%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Generator; Generator, Engine Electrical
- Replaces: 10371020
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006 Chevrolet Silverado 1500 | LS, LT, SS, WT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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Chevrolet Silverado 1500 Alternator
Part Number: 13532887
$224.29 MSRP: $402.32
You Save: $178.03 (45%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Generator Assembly-.
- Replaced by: 13563315
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019-2022 Chevrolet Silverado 1500 | Custom, Custom Trail Boss, LT, LT Trail Boss, RST, WT | 4 Cyl 2.7 L GAS
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Chevrolet Silverado 1500 Alternator
Part Number: 13552639
$246.72 MSRP: $442.54
You Save: $195.82 (45%)
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Product Specifications
- Other Name: Generator Assembly-.; Generator, Engine Electrical
- Replaced by: 13561037
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2023 Chevrolet Silverado 1500 | Custom, Custom Trail Boss, LT, LT Trail Boss, RST, WT | 4 Cyl 2.7 L GAS
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Chevrolet Silverado 1500 Alternator
Part Number: 13539731
$234.61 MSRP: $420.81
You Save: $186.20 (45%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Generator Assembly-.; Generator, Engine Electrical
- Replaced by: 13563316
- Replaces: 13534129, 13598307
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2020-2022 Chevrolet Silverado 1500 | Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, RST | 6 Cyl 3.0 L DIESEL
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Chevrolet Silverado 1500 Alternator
Part Number: 13540926
$204.10 MSRP: $366.10
You Save: $162.00 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Generator Assembly-.
- Replaced by: 13561036
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2022-2023 Chevrolet Silverado 1500 | Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, PPV, RST, WT, ZR2 | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
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Chevrolet Silverado 1500 Alternator
Part Number: 13539726
$156.89 MSRP: $311.40
You Save: $154.51 (50%)
ADD TO CART
Product Specifications
- Other Name: Generator Assembly-.; Generator, Engine Electrical
- Replaced by: 85671416
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019-2022 Chevrolet Silverado 1500 | Custom, Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, RST, SSV, WT, ZR2 | 6 Cyl 4.3 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
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Chevrolet Silverado 1500 Alternator
Part Number: 13539729
$239.76 MSRP: $430.06
You Save: $190.30 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Generator Assembly-.; Generator, Engine Electrical
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2022-2023 Chevrolet Silverado 1500 | Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, RST | 6 Cyl 3.0 L DIESEL
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Chevrolet Silverado 1500 Alternator
Part Number: 13552638
$221.83 MSRP: $397.90
You Save: $176.07 (45%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Generator Assembly-.; Generator, Engine Electrical
- Replaced by: 13561034
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2022-2023 Chevrolet Silverado 1500 | Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, PPV, RST, WT, ZR2 | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.2 L GAS
View related parts
Chevrolet Silverado 1500 Alternator
Part Number: 13540929
$248.90 MSRP: $446.46
You Save: $197.56 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Generator Assembly-.; Generator, Engine Electrical
- Replaced by: 13561038
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2023 Chevrolet Silverado 1500 | Custom Trail Boss, High Country, LT, LT Trail Boss, LTZ, RST | 6 Cyl 3.0 L DIESEL
View related parts
Chevrolet Silverado 1500 Alternator
Part Number: 19244746
$365.78 MSRP: $713.61
You Save: $347.83 (49%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Generator Assembly, (Remanufacture); Generator, Engine Electrical
- Replaces: 19151915, 10464453
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001-2002 Chevrolet Silverado 1500 | Base, LS, LT, WT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
View related parts
Chevrolet Silverado 1500 Generator
Part Number: 24287484
$993.04 MSRP: $1562.89
You Save: $569.85 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Generator, Engine Electrical; Alternator
- Replaces: 24283253, 24275333, 24285162, 24283952
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2016-2018 Chevrolet Silverado 1500 | Custom, High Country, LS, LT, LTZ, SSV, WT | 6 Cyl 4.3 L FLEX, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 5.3 L MILD HYBRID EV-GAS (MHEV), 8 Cyl 6.2 L GAS
View related parts
Chevrolet Silverado 1500 Alternator
Part Number: 15263858
Product Specifications
- Other Name: Generator Assembly; Generator, Engine Electrical
- Replaces: 10392759
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2007 Chevrolet Silverado 1500 | LS, LT, SS, WT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
View related parts
Chevrolet Silverado 1500 Alternator
Part Number: 19244727
$172.06 MSRP: $298.21
You Save: $126.15 (43%)
Product Specifications
- Other Name: Generator Assembly, (Remanufacture); Generator, Engine Electrical
- Replaces: 10464438, 19151893, 10464451, 10464404, 19151891
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1999-2002 Chevrolet Silverado 1500 | Base, LS, LT, WT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
View related parts
Chevrolet Silverado 1500 Alternator
Part Number: 19244731
$286.05 MSRP: $511.62
You Save: $225.57 (45%)
Product Specifications
- Other Name: Generator Assembly, (Remanufacture); Generator, Engine Electrical
- Replaces: 19151898, 10464481
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2006 Chevrolet Silverado 1500 | Base, LS, LT, SS, WT, Z71 Off-Road | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS

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Chevrolet Silverado 1500 Alternator

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Chevrolet Silverado 1500 Alternator Parts Questions & Experts Answers

Alternator
20881337
Q: How to replace the alternator in a 4.3L engine on Chevrolet Silverado 1500?
A: Before changing a generator in a 4.3l engine, you have to disconnect the negative cable of the battery. Remove the air cleaner outlet resonator and belt drive. Remove the A/C Compressor/condenser hose bracket bolt and loosen the clip that holds the engine wiring harness onto the A/C Compressor/condenser hose bracket. Next, remove the heater outlet hose clamp bolt bolt at the generator bracket as well as remove the engine wire harness electrical connector from the generator. In response, you repose the engine wiring harness boot and eliminate the engine wiring harness nut and lead from the generator. Unbolt the generator and move the heater outlet and A/C Hoses accordingly to pull out the generator from the bracket. During installation, mount the new generator into the bracket, set the hoses and bolt the generator to the bracket with 50 nm (37 lb ft) (Turney, DiFazio, Thompson, n.d.). Reinstall the engine wiring harness lead and the nut putting the nut on 9 nm (80 lb in), then bringing the wiring harness boot over the generator stud and connecting the electrical connector. Install the heater outlet hose clamp bolt by tightening it to 25 nm (18 lb ft), followed by the A/C Compressor and condenser hose bracket bolt tightened to 25 nm (18 lb ft). Reattach the engine wiring harness clip, as well as the Drive Belt and the air cleaner outlet resonator. Finally, reconnect the negative cable of the battery.

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