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Your Vehicle 1998 Porsche Boxster 986 Base Convertible H6 2.5L

1998 Porsche Boxster 986 Base Convertible H6 2.5L Differential Parts

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ES#3170913 - 20012 - Manual Transmission / Differential Fluid 75w90 - 1 Liter - Fully synthetic GL4+ gear oil, for use on the street or the track - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz Porsche

Fully synthetic GL4+ gear oil, for use on the street or the track affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
3170913
Mfg#:
20012
In Stock
34% off MSRP

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

$21.95

This product was last offered at the strikethrough price on
05-07-2026

$14.39 USD
Free Shipping
on orders $49 and up
ES#4142893 - 22090 - Fully Synthetic Gear Oil 75w90 - 1 Liter - High performance GL4/5 gear oil for extended oil change intervals and extreme loads - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz MINI Porsche

High performance GL4/5 gear oil for extended oil change intervals and extreme loads affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
4142893
Mfg#:
22090
In Stock
36% off MSRP

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

$28.95

This product was last offered at the strikethrough price on
06-02-2026

$18.45 USD
Free Shipping
on orders $49 and up
ES#3660327 - 000920ECS01 - M24x1.5mm Magnetic Drain/Fill Plug - Each - Capture harmful particles to prevent wear. M24x1.5 - ECS - Audi BMW Volkswagen Porsche

Capture harmful particles to prevent wear. M24x1.5 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3660327
Mfg#:
000920ECS01
In Stock
ON SALE! SAVE 40%
$41.99

This product was last offered at the strikethrough price on
05-02-2026

$25.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3097303 - 20010 - Hypoid Gear Oil 85w90 - 1 Liter - Mineral based GL5 gear oil, for use on the street or the track - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz Porsche

Mineral based GL5 gear oil, for use on the street or the track affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
3097303
Mfg#:
20010
In Stock
18% off MSRP

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

$14.95

This product was last offered at the strikethrough price on
05-07-2026

$12.25 USD
Free Shipping
on orders $49 and up
ES#4369255 - 1063078TSP - 75w90NS GL-5 Gear Oil - 1 Quart - API Service Class GL 5+ - Redline - Audi BMW Volkswagen Mercedes Benz Porsche

API Service Class GL 5+ affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Redline - Corporate Logo
ES#:
4369255
Mfg#:
1063078TSP
In Stock
$25.49 USD
Free Shipping
on orders $49 and up
ES#3178258 - 00004330549 - 75W-90 Gear Oil Manual Transmission Fluid - 1 Liter - Genuine Hypoid fluid for your differential or manual transmission - Genuine Porsche - Porsche

Genuine Hypoid fluid for your differential or manual transmission affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Porsche - Corporate Logo
ES#:
3178258
Mfg#:
00004330549
In Stock
$50.60 USD
Free Shipping
on orders $49 and up
ES#4464389 - AGA-SS-8-14-K - Hex Low Profile Service Sockets - Due to minimal clearance, its difficult to get a hex socket in the gaps to remove plugs on rear differentials, transfer case and other engine drain/fill plugs. - AGA Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Due to minimal clearance, it’s difficult to get a hex socket in the gaps to remove plugs on rear differentials, transfer case and other engine drain/fill plugs. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
AGA Tools - Corporate Logo
ES#:
4464389
Mfg#:
AGA-SS-8-14-K
Ships in 8 Business Days
$169.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2538778 - 00004330038 - Red Line 75W-90NS High Performance Gear Oil - 1 Quart - GL-5+ 75W-90 fully synthetic gear oil - Redline - Mercedes Benz Porsche

GL-5+ 75W-90 fully synthetic gear oil affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Redline - Corporate Logo
ES#:
2538778
Mfg#:
00004330038
In Stock
$25.99 USD
Free Shipping
on orders $49 and up
ES#3660870 - 20014 - High Performance Gear Oil (GL4+) SAE 75W-90 (20L JUG) - Fully synthetic GL4+ gear oil, for use on the street or the track - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz Porsche

Fully synthetic GL4+ gear oil, for use on the street or the track affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
3660870
Mfg#:
20014
In Stock at Vendor
$489.99

This product was last offered at the strikethrough price on
05-07-2026

$475.99 USD
ES#5374135 - 25002-0010-99 - Hightec TOPGEAR SAE 75W-90 S - 1 Liter - Fully synthetic, multigrade gearbox oil of performance rating API GL-4/5 for multi-functional use in axle gears and manual gearboxes - ROWE - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Fully synthetic, multigrade gearbox oil of performance rating API GL-4/5 for multi-functional use in axle gears and manual gearboxes affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
ROWE - Corporate Logo
ES#:
5374135
Mfg#:
25002-0010-99
In Stock
$15.99 USD
Free Shipping
on orders $49 and up
ES#1357033 - 01X409123 - Tapered Roller Bearing - Priced Each - Keep your differential free from noise - 50x80x20 - Genuine Porsche - Audi Porsche

Keep your differential free from noise - 50x80x20 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits left side - Manual transmission vehicles only

Brand:
Genuine Porsche - Corporate Logo
ES#:
1357033
Mfg#:
01X409123
Ships in 4 Business Days
$117.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2538418 - 99991754600 - 75W-90 Gear/Manual Transmission Fluid - 1 Liter - Hypoid fluid for your differential or manual transmission - Fuchs - Volkswagen Porsche

Hypoid fluid for your differential or manual transmission affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Fuchs - Corporate Logo
ES#:
2538418
Mfg#:
99991754600
Ships in 2 Business Days
$21.99 USD
Free Shipping
on orders $49 and up
ES#3253117 - 002517185M - Tapered Roller Bearing - Priced Each - Keep your differential free from noise - 46x75x18 - Genuine Porsche - Porsche

Keep your differential free from noise - 46x75x18 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits right side - Manual transmission vehicles only

Brand:
Genuine Porsche - Corporate Logo
ES#:
3253117
Mfg#:
002517185M
Special Order: No Guaranteed ETA
$86.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4352288 - 01X409123 - Tapered Roller Bearing - Priced Each - Keep your differential free from noise - 50x80x20 - Timken - Audi Porsche

Keep your differential free from noise - 50x80x20 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits left side - Manual transmission vehicles only

Brand:
Timken - Corporate Logo
ES#:
4352288
Mfg#:
01X409123
In Stock
Limited Qty Sale
$28.99

This product was last offered at the strikethrough price on
05-02-2026

$25.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3023258 - 002517185M - Tapered Roller Bearing - Priced Each - Keep your differential free from noise - 46x75x18 - SKF - Audi Volkswagen Porsche

Keep your differential free from noise - 46x75x18 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits right side - Manual transmission vehicles only

Brand:
SKF - Corporate Logo
ES#:
3023258
Mfg#:
002517185M
Back Ordered
$33.99

This product was last offered at the strikethrough price on
05-07-2026

$32.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1527735 - WHT001937 - Transmission Screw Plug - Priced Each - M24 x 1.5mm - Two required - Genuine Porsche - Porsche

M24 x 1.5mm - Two required affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Porsche - Corporate Logo
ES#:
1527735
Mfg#:
WHT001937
Ships in 3 Business Days
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Differential Parts

Stock or limited-slip, we stock bearings, repair parts, complete differential units, and approved differential fluids so you can keep sending power to the axles without noise, harshness, or vibration.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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