For M157 and M278 engines, the coolant lines can become brittle and fail over time. Replacing them during water pump service is a smart preventative measure to avoid future leaks or damage.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
5388747
Mfg#:
2782001300KT1
$279.99 USD
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on orders $49 and up
Partial Replacement
Includes Genuine Mercedes-Benz Sealant, all new hardware, camshaft adjuster seals for a perfect reseal.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
5456410
Mfg#:
M157M278RSKT
$800.99
This product was last offered at the strikethrough price on 04-14-2026
$771.99 USD
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Partial Replacement
Includes left and right side gaskets. Ensure a proper seal on your exhaust manifold
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
5457285
Mfg#:
2781420580KT
$74.99 USD
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on orders $49 and up
Lifetime Replacement
510hz
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4954143
Mfg#:
007542692064
7% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$105.00
This product was last offered at the strikethrough price on 01-06-2026
$97.99 USD
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on orders $49 and up
Lifetime Replacement
Reduce driveline vibrations with a new engine mount!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms For cars with (Code 802, 803, or 804).
Brand:
ES#:
4009761
Mfg#:
218240051764
7% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$145.00
This product was last offered at the strikethrough price on 01-06-2026
$134.99 USD
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on orders $49 and up
Lifetime Replacement
Coolant Hose
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
2499435
Mfg#:
2782001452
6% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$50.00
This product was last offered at the strikethrough price on 02-19-2026
$46.99 USD
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Lifetime Replacement
Price includes a $97.50 refundable core charge
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
3675336
Mfg#:
212320040480KT
$1270.99
This product was last offered at the strikethrough price on 01-06-2026
$1026.99 USD
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on orders $49 and up
Partial Replacement
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
3490156
Mfg#:
212540021764
7% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$180.00
This product was last offered at the strikethrough price on 01-06-2026
$167.99 USD
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on orders $49 and up
Lifetime Replacement
FUEL DELIVERY MODULE
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
2182550
Mfg#:
2184700094
7% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$448.00
This product was last offered at the strikethrough price on 01-06-2026
$416.99 USD
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Lifetime Replacement
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
3451702
Mfg#:
212540011764
7% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$179.00
This product was last offered at the strikethrough price on 01-06-2026
$166.99 USD
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on orders $49 and up
Lifetime Replacement
For High Pressure Fuel Pump
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
2972152
Mfg#:
2780504500
6% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$80.00
This product was last offered at the strikethrough price on 06-18-2026
$74.99 USD
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on orders $49 and up
Lifetime Replacement
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4064411
Mfg#:
212240591765
7% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$246.00
This product was last offered at the strikethrough price on 01-06-2026
$228.99 USD
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on orders $49 and up
Lifetime Replacement
Featuring 722.9 7 Speed Automatic Transmission Black Top Solenoid
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
2188884
Mfg#:
2202771098
7% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$122.00
This product was last offered at the strikethrough price on 01-06-2026
$113.99 USD
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Lifetime Replacement
Includes New Seal
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4439153
Mfg#:
276230026564
10% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$680.00
This product was last offered at the strikethrough price on 01-06-2026
$610.99 USD
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on orders $49 and up
Lifetime Replacement
M157 / M278 Head Bolt - One Time Use. A full set to secure your cylinder head.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
5388725
Mfg#:
278016016964KT
$290.99
This product was last offered at the strikethrough price on 01-06-2026
$268.00 USD
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on orders $49 and up
Lifetime Replacement
Intake and Exhaust Camshaft Adjuster Oil Control Valve
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Brand:
ES#:
4873281
Mfg#:
2760506300
7% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$129.00
This product was last offered at the strikethrough price on 01-06-2026
$119.99 USD
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Lifetime Replacement