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2003 Porsche Boxster 986 Roadster Convertible H6 2.7L

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Your Vehicle 2003 Porsche Boxster 986 Roadster Convertible H6 2.7L
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2003 Porsche Boxster 986 Roadster Convertible H6 2.7L Engine Gaskets & Seals

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Rear Main Shaft Seal

ES#2793879 - 99710121201 - Rear Main Shaft Seal - Crankshaft sealing ring - 85x105x11mm - Hamburg Tech - Porsche

Crankshaft sealing ring - 85x105x11mm We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2793879
Mfg#:
99710121201
Ships in 2 Business Days
$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Outer Spark Plug Tube Seal - Priced Each

ES#2855855 - 99970176141 - Outer Spark Plug Tube Seal - Priced Each - 28x2mm - 6 required - OEM - Porsche

28x2mm - 6 required

Brand:
OEM - Corporate Logo
ES#:
2855855
Mfg#:
99970176141
In Stock at Vendor
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Manifold Gasket - Priced Each

ES#2602733 - 99611110755 - Exhaust Manifold Gasket - Priced Each - Oval-port gasket between the manifold and the cylinder head - Left or right side fitment - Victor Reinz - Porsche

Oval-port gasket between the manifold and the cylinder head - Left or right side fitment

Brand:
Victor Reinz - Corporate Logo
ES#:
2602733
Mfg#:
99611110755
Ships in 2 Business Days
$8.68

This product was last offered at the strikethrough price on
05-09-2026

$8.61 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rubber O-Ring - Priced Each

ES#2581420 - 99970734440 - Rubber O-Ring - Priced Each - 18.77 X 1.78mm - Victor Reinz - Porsche

18.77 X 1.78mm

Brand:
Victor Reinz - Corporate Logo
ES#:
2581420
Mfg#:
99970734440
In Stock at Vendor
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Intermediate Shaft Flange Gasket

ES#2795719 - 99610511201 - Intermediate Shaft Flange Gasket - 4mm thick seal - Kaco - Porsche

4mm thick seal

Brand:
Kaco - Corporate Logo
ES#:
2795719
Mfg#:
99610511201
Back Ordered
$15.32

This product was last offered at the strikethrough price on
05-09-2026

$13.44 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Gasket

ES#2785590 - 99610634054 - Water Pump Gasket - Fitted between the water pump and the engine case, this gasket prevents leaking coolant - Hamburg Tech - Porsche

Fitted between the water pump and the engine case, this gasket prevents leaking coolant We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2785590
Mfg#:
99610634054
Ships in 2 Business Days
$6.11 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rubber O-Ring - Priced Each

ES#2602958 - 99970755440 - Rubber O-Ring - Priced Each - 95 x 2.5mm oil pump seal - Two required - Victor Reinz - Porsche

95 x 2.5mm oil pump seal - Two required

Brand:
Victor Reinz - Corporate Logo
ES#:
2602958
Mfg#:
99970755440
Ships in 1-2 days
$5.78 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rubber Oil Seal

ES#2816692 - 99911347540 - Rubber Oil Seal - 40 x 62 x 10mm - Hamburg Tech - Porsche

40 x 62 x 10mm We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2816692
Mfg#:
99911347540
Ships in 2 Business Days
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Manifold Gasket - Priced Each

ES#2788434 - 99611110755 - Exhaust Manifold Gasket - Priced Each - Oval-port gasket between the manifold and the cylinder head - Left or right side fitment - Hamburg Tech - Porsche

Oval-port gasket between the manifold and the cylinder head - Left or right side fitment We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2788434
Mfg#:
99611110755
Ships in 2 Business Days
$5.05 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Pump Shaft Seal - Priced Each

ES#2855863 - 99610710351 - Oil Pump Shaft Seal - Priced Each - 29.1x2.55mm - Two required - Elring - Porsche

29.1x2.55mm - Two required 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2855863
Mfg#:
99610710351
In Stock at Vendor
58% off MSRP

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

$12.00

This product was last offered at the strikethrough price on
08-05-2026

$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Metal Gasket

ES#2637113 - 99610133150 - Metal Gasket - Water outlet gasket - OE Aftermarket - Porsche

Water outlet gasket

Brand:
OE Aftermarket - Corporate Logo
ES#:
2637113
Mfg#:
99610133150
Ships in 1-2 days
$4.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Metal Gasket

ES#2637112 - 99610133150 - Metal Gasket - Water outlet gasket - Elring - Porsche

Water outlet gasket 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2637112
Mfg#:
99610133150
In Stock at Vendor
$6.48 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

O-Ring - Priced Each

ES#1513563 - 99970739240 - O-Ring - Priced Each - 7 x 2mm - Genuine Porsche - Porsche

7 x 2mm

Brand:
Genuine Porsche - Corporate Logo
ES#:
1513563
Mfg#:
99970739240
Ships in 5 Business Days
$5.99

This product was last offered at the strikethrough price on
08-04-2026

$5.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

O-Ring - Priced Each

ES#2642856 - 99970739240 - O-Ring - Priced Each - 7 x 2mm - OEM - Porsche

7 x 2mm

Brand:
OEM - Corporate Logo
ES#:
2642856
Mfg#:
99970739240
In Stock at Vendor
$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Main Seal

ES#5376210 - 99911349040 - Rear Main Seal - Crankshaft sealing ring - 85x105x11mm - Hamburg Tech - Porsche

Crankshaft sealing ring - 85x105x11mm

Brand:
Hamburg Tech - Corporate Logo
ES#:
5376210
Mfg#:
99911349040
Ships in 2 Business Days
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Exhaust Manifold Gasket - Pair

ES#5421137 - 99611110755KT - Exhaust Manifold Gasket - Pair - Oval-port gasket between the manifold and the cylinder head - Hamburg Tech - Porsche

Oval-port gasket between the manifold and the cylinder head

Brand:
Hamburg Tech - Corporate Logo
ES#:
5421137
Mfg#:
99611110755KT
Ships in 2 Business Days
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Gaskets & Seals

In addition to traditional cut and stamped gaskets for everything from water pumps to cylinder heads, ECS Tuning stocks state-of-the-art gasket sealers in a tube, designed to work with modern original equipment designs to prevent both vacuum and fluid leaks.

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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