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BMW E30 318i M42 1.8L

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BMW E30 318i M42 1.8L Alternator Parts

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Alternator Tensioner Nut

ES#29781 - 12317677914 - Alternator Tensioner Nut - Gear used against a bracket to tighten belt - Genuine BMW - BMW

Gear used against a bracket to tighten belt

Brand:
Genuine BMW - Corporate Logo
ES#:
29781
Mfg#:
12317677914
In Stock
$15.23 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator Voltage Regulator - 65 Amp Style

ES#2746487 - 12311726022 - Alternator Voltage Regulator - 65 Amp Style - Prevent an overcharging alternator - Bosch - BMW

Prevent an overcharging alternator 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
2746487
Mfg#:
12311726022
In Stock at Vendor
$68.99

This product was last offered at the strikethrough price on
04-09-2026

$62.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator Air Duct - Lower

ES#2534823 - 12311735915 - Alternator Air Duct - Lower - Routes air to cool alternator - URO - BMW

Routes air to cool alternator 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
2534823
Mfg#:
12311735915
Back Ordered
Auto Notify
$30.99

This product was last offered at the strikethrough price on
06-22-2026

$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator Pulley - 66mm

ES#29288 - 12311288238 - Alternator Pulley - 66mm - Includes washer - Genuine BMW - BMW

Includes washer

Brand:
Genuine BMW - Corporate Logo
ES#:
29288
Mfg#:
12311288238
Ships in 4 Business Days
3% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$109.99

This product was last offered at the strikethrough price on
08-03-2026

$106.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Alternator - 80 Amp

ES#3699126 - al0152xKT - Remanufactured Alternator - 80 Amp - Includes a $40 refundable core charge - Bosch - BMW

Includes a $40 refundable core charge 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
3699126
Mfg#:
AL0152XKT
Back Ordered
$479.30 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator Positive Cable

ES#31194 - 12521312124 - Alternator Positive Cable - Grounds the alternator to the chassis - Genuine BMW - BMW

Grounds the alternator to the chassis

Brand:
Genuine BMW - Corporate Logo
ES#:
31194
Mfg#:
12521312124
Ships in 4 Business Days
2% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$50.99

This product was last offered at the strikethrough price on
08-03-2026

$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator Adjustment Bracket

ES#29310 - 12311312137 - Alternator Adjustment Bracket - This is the bracket used to mount and adjust the alternator - Genuine BMW - BMW

This is the bracket used to mount and adjust the alternator

Brand:
Genuine BMW - Corporate Logo
ES#:
29310
Mfg#:
12311312137
Ships in 4 Business Days
2% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$92.99

This product was last offered at the strikethrough price on
08-03-2026

$90.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Alternator Voltage Regulator - 65 Amp Style

ES#29491 - 12311726022 - Alternator Voltage Regulator - 65 Amp Style - Prevent an overcharging alternator - Genuine BMW - BMW

Prevent an overcharging alternator

Brand:
Genuine BMW - Corporate Logo
ES#:
29491
Mfg#:
12311726022
Ships in 9 Business Days
6% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$202.99

This product was last offered at the strikethrough price on
08-03-2026

$190.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator mount bushing - priced each

ES#29442 - 12311715490 - Alternator mount bushing - priced each - Used to isolate vibrations from the alternator - Genuine BMW - BMW

Used to isolate vibrations from the alternator

Brand:
Genuine BMW - Corporate Logo
ES#:
29442
Mfg#:
12311715490
Ships in 4 Business Days
3% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$31.99

This product was last offered at the strikethrough price on
08-03-2026

$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator Fan

ES#29551 - 12311735306 - Alternator Fan - Cools the alternator - Genuine BMW - BMW

Cools the alternator

Brand:
Genuine BMW - Corporate Logo
ES#:
29551
Mfg#:
12311735306
Ships in 4 Business Days
2% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$49.99

This product was last offered at the strikethrough price on
08-03-2026

$48.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator Bracket Bushing - Priced Each

ES#29443 - 12311715491 - Alternator Bracket Bushing - Priced Each - Bushing placed in the top of the alternator support bracket - Genuine BMW - BMW

Bushing placed in the top of the alternator support bracket

Brand:
Genuine BMW - Corporate Logo
ES#:
29443
Mfg#:
12311715491
Ships in 4 Business Days
3% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$31.99

This product was last offered at the strikethrough price on
08-03-2026

$30.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Voltage Regulator

Brand:
Hella - Corporate Logo
ES#:
3032388
Mfg#:
12321739435
Special Order: No Guaranteed ETA
$106.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

E30 Ring

ES#29502 - 12311727751 - E30 Ring - Genuine BMW - BMW

Brand:
Genuine BMW - Corporate Logo
ES#:
29502
Mfg#:
12311727751
Ships in 9 Business Days
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator Voltage Regulator - 65 Amp Style

ES#2813644 - 12311726022 - Alternator Voltage Regulator - 65 Amp Style - Prevent an overcharging alternator - Hamburg Tech - BMW

Prevent an overcharging alternator We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2813644
Mfg#:
12311726022
Ships in 2 Business Days
$29.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt

ES#2562675 - 07119908003 - Hex Bolt - M8X85 - Genuine BMW - BMW

M8X85

Brand:
Genuine BMW - Corporate Logo
ES#:
2562675
Mfg#:
07119908003
Ships in 4 Business Days
5% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$19.99

This product was last offered at the strikethrough price on
08-03-2026

$18.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Alternator Brush Set

ES#29504 - 12311727756 - Alternator Brush Set - Get your alternator working again - Genuine BMW - BMW

Get your alternator working again

Brand:
Genuine BMW - Corporate Logo
ES#:
29504
Mfg#:
12311727756
Ships in 4 Business Days
4% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$25.99

This product was last offered at the strikethrough price on
08-03-2026

$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Alternator Parts

Keep everything charged with an OEM alternator or save some money with aftermarket alternators and remanufactured alternators from brands you trust.

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