1987 - 1990 Chevrolet Astro Alternator (MPA) NEW

Price today

$106.54

YOUR NET COST

$86.54

after returning your old part

120-DayReturns

LifetimeWarranty

100%Money-Back

Product Notes Read before buying

Remanufactured

Brand: MPA
Condition: Remanufactured

See Other Chevrolet Astro Alternators

Not sure? Ask Wrenchy — Your Parts Assistant.

Voice or type your vehicle details and Wrenchy will confirm fitment in seconds.

Specifications & Info

Attribute	Value
Amps	100 Amps
Clock	11:00
Fan	External
Manufacturer	Delco
Pulley	6 Groove Serpentine
Regulator	Internal
Rotation	Clockwise
Volts	12 Volts

Vehicle Fitment Guide

This part fits the following vehicles:

Chevrolet 1 model (tapclick to expand)(tapclick to hide)

Astro 1987-1990 (tapclick to expand)(tapclick to hide)

Swipe left/right to see more info

SubmodelSUB- MODEL	Body Style	Years	Engine	Attributes
Base	Extended Cargo Van	1990	L4 2.5L	AWD/RWD Automatic
Base	Extended Cargo Van	1990	V6 4.3L	AWD/RWD Automatic
Base	Standard Cargo Van	1990	L4 2.5L	AWD Automatic
Base	Standard Cargo Van	1990	V6 4.3L	AWD Automatic
Base	Standard Cargo Van	1987 - 1990	L4 2.5L	RWD Automatic
Base	Standard Cargo Van	1987 - 1989	L4 2.5L	RWD Manual
Base	Standard Cargo Van	1987 - 1990	V6 4.3L	RWD Automatic
Base	Standard Cargo Van	1987 - 1989	V6 4.3L	RWD Manual
Base	Standard Passenger Van	1987	L4 2.5L	RWD Automatic & Manual
Base	Standard Passenger Van	1987	V6 4.3L	RWD Automatic & Manual
CL	Extended Passenger Van	1990	V6 4.3L	AWD/RWD Automatic
CL	Standard Passenger Van	1990	V6 4.3L	AWD Automatic
CL	Standard Passenger Van	1987 - 1990	V6 4.3L	RWD Automatic
CL	Standard Passenger Van	1987 - 1989	V6 4.3L	RWD Manual
CS	Extended Passenger Van	1990	V6 4.3L	AWD/RWD Automatic
CS	Standard Passenger Van	1990	V6 4.3L	AWD Automatic
CS	Standard Passenger Van	1987 - 1990	V6 4.3L	RWD Automatic
CS	Standard Passenger Van	1987 - 1989	V6 4.3L	RWD Manual
LT	Extended Passenger Van	1990	V6 4.3L	AWD/RWD Automatic
LT	Standard Passenger Van	1990	V6 4.3L	AWD Automatic
LT	Standard Passenger Van	1987 - 1990	V6 4.3L	RWD Automatic
LT	Standard Passenger Van	1987 - 1989	V6 4.3L	RWD Manual

Years	Make	Model	Submodel	Body Style	Engine	Attributes
1990	Chevrolet	Astro	Base	Extended Cargo Van	L4 2.5L	AWD/RWD Automatic
1990	Chevrolet	Astro	Base	Standard Cargo Van	L4 2.5L	AWD Automatic
1990	Chevrolet	Astro	Base	Extended Cargo Van	V6 4.3L	AWD/RWD Automatic
1990	Chevrolet	Astro	Base	Standard Cargo Van	V6 4.3L	AWD Automatic
1990	Chevrolet	Astro	CL	Extended Passenger Van	V6 4.3L	AWD/RWD Automatic
1990	Chevrolet	Astro	CL	Standard Passenger Van	V6 4.3L	AWD Automatic
1990	Chevrolet	Astro	CS	Extended Passenger Van	V6 4.3L	AWD/RWD Automatic
1990	Chevrolet	Astro	CS	Standard Passenger Van	V6 4.3L	AWD Automatic
1990	Chevrolet	Astro	LT	Extended Passenger Van	V6 4.3L	AWD/RWD Automatic
1990	Chevrolet	Astro	LT	Standard Passenger Van	V6 4.3L	AWD Automatic
1987 - 1990	Chevrolet	Astro	Base	Standard Cargo Van	L4 2.5L	RWD Automatic
1987 - 1990	Chevrolet	Astro	Base	Standard Cargo Van	V6 4.3L	RWD Automatic
1987 - 1990	Chevrolet	Astro	CL	Standard Passenger Van	V6 4.3L	RWD Automatic
1987 - 1990	Chevrolet	Astro	CS	Standard Passenger Van	V6 4.3L	RWD Automatic
1987 - 1990	Chevrolet	Astro	LT	Standard Passenger Van	V6 4.3L	RWD Automatic
1987 - 1989	Chevrolet	Astro	Base	Standard Cargo Van	L4 2.5L	RWD Manual
1987 - 1989	Chevrolet	Astro	Base	Standard Cargo Van	V6 4.3L	RWD Manual
1987 - 1989	Chevrolet	Astro	CL	Standard Passenger Van	V6 4.3L	RWD Manual
1987 - 1989	Chevrolet	Astro	CS	Standard Passenger Van	V6 4.3L	RWD Manual
1987 - 1989	Chevrolet	Astro	LT	Standard Passenger Van	V6 4.3L	RWD Manual
1987	Chevrolet	Astro	Base	Standard Passenger Van	L4 2.5L	RWD Automatic & Manual
1987	Chevrolet	Astro	Base	Standard Passenger Van	V6 4.3L	RWD Automatic & Manual

Verify before ordering — please confirm your vehicle's year, make, model and sub-model specifications before placing your order. If anything is unclear, our customer service team is available to help.

Policies, in plain English.

Shipping Information

We offer fast, reliable shipping on all orders:

Ships to all countries via US Postal Service Priority Mail.
Most orders ship within 1 business day.
Delivery time: 1-4 business days after shipment.
International shipping available, including APO/FPO addresses.
Tracking information provided for all shipments.
Additional handling fees may apply for oversized/overweight packages.

Lifetime Warranty

This part comes with a limited lifetime warranty. Warranty begins on the original purchase date.

Warranty does NOT cover:

Shipping costs or labor expenses.
Installation errors.
Parts used for racing.
Commercial vehicle parts.

Returns (120 Days)

We want you to be 100% satisfied with your purchase. That's why we offer:

120-Day Returns - Return any part within 120 days from date of receipt.
Must obtain RMA (Return Merchandise Authorization) number before returning.
Parts must be in original condition, uninstalled, unaltered, and in original packaging.
Important: Electrical parts are not returnable if unsealed.
Please inspect parts upon arrival and notify us within 5 days of receiving incorrect or damaged parts.
Refunds processed after warehouse receives return and credited to original payment method.

Interchange Parts

Brand	Part Number
ACDelco	321-1003
ACDelco	321-1010
ACDelco	321-1066
ACDelco	321-1084
ACDelco	321-311
ACDelco	321-312
ACDelco	321-314
ACDelco	321-315
ACDelco	321-321
ACDelco	321-343
ACDelco	321-404
ACDelco	321-461
ACDelco	321-462
ACDelco	321-463
ACDelco	321-502
ACDelco	334-2330
ACDelco	334-2395
ACDelco	334-2395A
General Motors	10463013
General Motors	10463014
General Motors	10463016
General Motors	10463017
General Motors	10463023
General Motors	10463049
General Motors	10463113
General Motors	10463169
General Motors	10463170
General Motors	10463171
General Motors	10463184
General Motors	10463211
General Motors	10463370
General Motors	10463388
General Motors	10463565
General Motors	10463621
General Motors	10479902
General Motors	10479910
General Motors	10479911
General Motors	10480068
General Motors	1101140
General Motors	1101142
General Motors	1101143
General Motors	1101163
General Motors	1101227
General Motors	1101277
General Motors	1101346
General Motors	1101583
General Motors	1101593
General Motors	1101595
General Motors	1101618
General Motors	1101810
General Motors	1101822
General Motors	1102601
General Motors	1105722
General Motors	19135888
General Motors	19135953
General Motors	88864373
Lester	7860-11
Lester	7880-11
Lester	7987-11
Lester	7988-11
Lester	8140-11
Lester	8143-11

Fits Years: 1987 1988 1989 1990

Fits Models: Astro

Expert Guide

A Guide to Replacing the Alternator on Your 1985-1994 Chevrolet Astro

Keep your Astro's electrical system healthy by choosing the right new aftermarket alternator for your van.

Read Full Guide →

Why Millions Choose Go-Parts

Your Go-To Place
for auto parts.

In operation since 2007. Trusted by over a million DIYers, mechanics, and body shops across all 50 states.

100%

Money-Back Guarantee

Shop With Total Confidence

If it doesn't fit, we make it right. No gimmicks, no fine print.

120

Day Return Window

4× the Industry Standard

Most retailers stop at 30 days. We give you a full four months to install, test, and return for a 100% refund — return shipping on us.

NEW

Direct-Fit Replacement

Engineered To OEM Specs

Brand-new aftermarket parts from trusted suppliers — built to original-equipment specifications so they fit and function like the factory unit, at a fraction of the price.

What buyers are saying.

★★★★★ 4.9 1,451 verified reviews