Alternators

EexcavaStart 21020854 12V 85A Alternator for Saturn SC 1.9L L4

Q: What numbers are documented for 21020854?

Primary Manufacturer Reference: 21020854. Cross-reference (fitment check required): ADR0174. Cross-reference (fitment check required): 400-12137. Cross-reference (fitment check required): 321-1805. Cross-reference (fitment check required): 321-1806. Cross-reference (fitment check required): 334-2400. Cross-reference (fitment check required): 334-2459. Cross-reference (fitment check required): 110-8107. Cross-reference (fitment check required): 112663. Cross-reference (fitment check required): 21021310. Cross-reference (fitment check required): 21021447. Cross-reference (fitment check required): 21022772. Relationship labels distinguish formatting aliases, direct interchanges, remanufactured references and related assemblies.

Q: How do I confirm 21020854 before ordering?

Match the complete part number, compare the connector or mounting arrangement with your original unit and the recorded specifications, and confirm the machine or engine model and serial range. Send clear photos of the original unit when requesting a quote.

EexcavaStart packaging illustration · Not a photograph of this exact part. Exact-unit photo availability is not confirmed; send your original part number and unit photos with your inquiry.

OEM / reference21020854

Specification12V 85A Alternator; original-unit verification required

Catalog ID929290512

Product Type: Alternator
Product Brand: EexcavaStart
Primary Reference: 21020854
Equipment Scope: Saturn SC; exact catalog-listed engine/year rows only
Voltage: 12 V
Rated Output: 85 A
Rotation: CW
Regulator: Internal
Fan Type: External fan
Pulley Classification Code: 1259; arrangement and diameter require original-unit confirmation
Configuration Restriction: Saturn SC 1.9L 1991-1992 rows only; 85 A internally regulated external-fan variant. Pulley classification 1259 is a catalog code, not a diameter or groove count.
Availability: Quote only; stock not confirmed
Image Disclosure: Brand packaging illustration; exact-unit photograph not confirmed

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Send the machine model, engine model or nameplate photo so our team can confirm compatibility before shipment.

Quotation details: MOQ, availability, lead time, item condition (new or remanufactured) and warranty coverage must be confirmed in your quotation before ordering.

Part-number relationships

Relationship	Reference family	Number
Primary Manufacturer Reference	DELCO	21020854
Cross-reference (fitment check required)	ARROWHEAD	ADR0174
Cross-reference (fitment check required)	ARROWHEAD	400-12137
Cross-reference (fitment check required)	AC DELCO	321-1805
Cross-reference (fitment check required)	AC DELCO	321-1806
Cross-reference (fitment check required)	AC DELCO	334-2400
Cross-reference (fitment check required)	AC DELCO	334-2459
Cross-reference (fitment check required)	BARSANCO	110-8107
Cross-reference (fitment check required)	CARGO	112663
Cross-reference (fitment check required)	DELCO	21021310
Cross-reference (fitment check required)	DELCO	21021447
Cross-reference (fitment check required)	DELCO	21022772
Cross-reference (fitment check required)	DELCO	21022893
Cross-reference (fitment check required)	DELCO	21023515
Cross-reference (fitment check required)	DELCO	21023516
Cross-reference (fitment check required)	DELCO	21023702
Cross-reference (fitment check required)	DELCO	21023724
Cross-reference (fitment check required)	DELPHI	RM1193
Cross-reference (fitment check required)	DELPHI	RM1194
Cross-reference (fitment check required)	DENSO FIRST TIME FIT	210-5100
Cross-reference (fitment check required)	DIXIE NEW	A-1366N
Cross-reference (fitment check required)	DIXIE	A-1366
Cross-reference (fitment check required)	LESTER	8107
Cross-reference (fitment check required)	LESTER	8215
Cross-reference (fitment check required)	MINNPAR	47-2105
Cross-reference (fitment check required)	NAPA POWER NEW	1N-4591
Cross-reference (fitment check required)	NAPA POWER PREMIUM PLUS	213-4590
Cross-reference (fitment check required)	NAPA POWER PREMIUM PLUS	213-4591
Cross-reference (fitment check required)	NAPA POWER SUPREME	13-4590
Cross-reference (fitment check required)	NAPA POWER SUPREME	13-4591
Cross-reference (fitment check required)	NSA	ALT-1326A
Cross-reference (fitment check required)	PIC	240-5215
Cross-reference (fitment check required)	PIC	240-5216
Cross-reference (fitment check required)	RCP	AL-8215
Cross-reference (fitment check required)	REMY LIGHT DUTY NEW	91339
Cross-reference (fitment check required)	REMY LIGHT DUTY	21073
Cross-reference (fitment check required)	WAI SALES	20-1115-10
Cross-reference (fitment check required)	WAI SALES	20-1115-11
Cross-reference (fitment check required)	WAI SALES	20-1115-11-1
Cross-reference (fitment check required)	WAI	1-1594-01DR
Cross-reference (fitment check required)	WAI	1-1927-01DR
Cross-reference (fitment check required)	WILSON NEW	90-01-4266
Cross-reference (fitment check required)	WILSON NEW	90-01-4678
Cross-reference (fitment check required)	WILSON NEW	90-01-4678N

Product fitment guide

Part numbers and compatible models

Quickly compare the reference number and recorded machine applications. Use photos of your original unit and the checklist before ordering.

Part identification

Reference numbers

Primary number

21020854

Cross-reference (fitment check required)

ADR0174
400-12137
321-1805
321-1806
334-2400
334-2459
110-8107
112663
21021310
21021447
21022772
21022893
21023515
21023516
21023702
21023724
RM1193
RM1194
210-5100
A-1366N
A-1366
8107
8215
47-2105
1N-4591
213-4590
213-4591
13-4590
13-4591
ALT-1326A
240-5215
240-5216
AL-8215
91339
21073
20-1115-10
20-1115-11
20-1115-11-1
1-1594-01DR
1-1927-01DR
90-01-4266
90-01-4678
90-01-4678N

Formatting aliases are the same number written differently. Cross-references require a specification and fitment check; they do not by themselves confirm direct interchangeability. Related assemblies and remanufactured numbers are separate relationship types.

Product summary

12V 85A Alternator; original-unit verification required

Category: Alternators
Catalog ID: 929290512
Illustration views: 1

Before ordering

Confirm these details

Confirm voltage and rated amperage against the original alternator label.
Compare mounting ears, pulley type and pulley-groove count.
Check plug shape, terminal position and regulator connection.
Verify the engine model and machine serial range before ordering.

Machine fitment

Compatible model references

2 model references

Saturn SC 1991 / 1900cc 1.9L L4: Catalog-listed; verify original unit number, mounting, pulley and electrical connections; Saturn SC 1.9L 1991-1992 rows only; 85 A internally regulated external-fan variant. Pulley classification 1259 is a catalog code, not a diameter or groove count.
Saturn SC 1992 / 1900cc 1.9L L4: Catalog-listed; verify original unit number, mounting, pulley and electrical connections; Saturn SC 1.9L 1991-1992 rows only; 85 A internally regulated external-fan variant. Pulley classification 1259 is a catalog code, not a diameter or groove count.

Compatibility lists identify searchable model families, not every production serial range. Confirm the original part number and machine serial number before purchase.

Quick fitment answers

Common questions about 21020854

Which machines use 21020854?

Recorded compatible model references include Saturn SC 1991 / 1900cc 1.9L L4: Catalog-listed; verify original unit number, mounting, pulley and electrical connections; Saturn SC 1.9L 1991-1992 rows only; 85 A internally regulated external-fan variant. Pulley classification 1259 is a catalog code, not a diameter or groove count., Saturn SC 1992 / 1900cc 1.9L L4: Catalog-listed; verify original unit number, mounting, pulley and electrical connections; Saturn SC 1.9L 1991-1992 rows only; 85 A internally regulated external-fan variant. Pulley classification 1259 is a catalog code, not a diameter or groove count.. Confirm the complete part number and machine serial range before ordering.

What numbers are documented for 21020854?

Cross-references are listed in the relationship table above. Compare specifications and the original unit before treating a reference as interchangeable.

How do I confirm 21020854 before ordering?

Confirm voltage and rated amperage against the original alternator label. Compare mounting ears, pulley type and pulley-groove count. Check plug shape, terminal position and regulator connection. Send clear photos of the original unit and connector layout when requesting a quote.