How to replace CV joints and boots?

If CV joints show wear, consider rebuilt CV axles or split boots from auto parts stores to save time. ABS-equipped models need ABS sensor rings inspection for any damage. To overhaul, remove the CV axle, then the inner CV joint and boot. Mark the tripod-outer race relationship before disassembling, cleaning, and inspecting the tripod assembly for abnormal wear. Replace if necessary. During reassembly, slide on the clamps and boot, install new stop-ring and bearing retainer clip, repack with CV joint grease, equalize boot pressure, and tighten boot clamps. Reinstall the CV axle.

Genuine Mercury Mariner CV Boot

Axle Boot

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8 CV Boots found

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Mercury Mariner Boot
Part Number: 5L8Z-3A331-AA
- Other Name: Boot Kit, Outer Boot
- Position: Passenger Side And Driver Side Outer
$18.48 MSRP: $36.73
You Save: $18.25 (50%)

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Fits the following Vehicles:
2005-2011 Mercury Mariner | 4 Cyl 2.3L, 4 Cyl 2.3L Hybrid Gas/Electric DOHC, 4 Cyl 2.5L Duratec (110kW/150PS), 4 Cyl 2.5L PFI Gas/Electric, 6 Cyl 3.0L DOHC EFI Modular, 6 Cyl 3.0L OHC Duratec | 4AT CD4E, 5-Speed Manual Transmission, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Right Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive, Two-Wheel Drive (Left Hand Drive), Two-Wheel Drive (Right Hand Drive)
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Mercury Mariner Boot
Part Number: YL8Z-3A331-CA
- Other Name: Boot Kit, Outer Boot
- Manufacturer Note: Outer
$15.86 MSRP: $21.67
You Save: $5.81 (27%)

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More Info
Fits the following Vehicles:
2005-2006 Mercury Mariner | 6 Cyl 3.0L DOHC EFI Modular | 4AT CD4E, 5-Speed Manual Transmission, 5-Speed Manual Transmission - AK, Four-Wheel Drive (Full Time) (Left Hand Drive), Left Hand Drive, Two-Wheel Drive (Left Hand Drive)
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Mercury Mariner Boot
Part Number: YL8Z-3A331-AA
- Other Name: Boot Kit, Inner Boot
$25.50 MSRP: $35.42
You Save: $9.92 (29%)

Add to Cart
More Info
Fits the following Vehicles:
2005 Mercury Mariner | 6 Cyl 3.0L DOHC EFI Modular | 4AT CD4E, 5-Speed Manual Transmission, 5-Speed Manual Transmission - AK, Four-Wheel Drive (Full Time) (Left Hand Drive), Left Hand Drive, Two-Wheel Drive (Left Hand Drive)
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Mercury Mariner Boot
Part Number: 5L8Z-4A331-EA
- Other Name: Outer Boot
- Manufacturer Note: inner
$134.92 MSRP: $187.42
You Save: $52.50 (29%)

Add to Cart
More Info
Fits the following Vehicles:
2005-2006 Mercury Mariner | 4 Cyl 2.3L, 4 Cyl 2.3L Hybrid Gas/Electric DOHC, 6 Cyl 3.0L DOHC EFI Modular | 4AT CD4E, 5-Speed Manual Transmission, 5-Speed Manual Transmission - AK, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Right Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
Less Info
View related parts
Mercury Mariner Boot
Part Number: 5L8Z-3A331-FA
- Other Name: Boot Kit, Inner Boot
- Position: Passenger Side/Driver Side
More Info
Fits the following Vehicles:
2005-2011 Mercury Mariner | 4 Cyl 2.3L, 4 Cyl 2.3L Hybrid Gas/Electric DOHC, 4 Cyl 2.5L Duratec (110kW/150PS), 4 Cyl 2.5L PFI Gas/Electric, 6 Cyl 3.0L DOHC EFI Modular, 6 Cyl 3.0L OHC Duratec | 4AT CD4E, 5-Speed Manual Transmission, 5-Speed Manual Transmission - AK, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Right Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive, Two-Wheel Drive (Left Hand Drive), Two-Wheel Drive (Right Hand Drive)
Less Info
View related parts
Mercury Mariner Boot
Part Number: 5L8Z-3A331-BA
- Other Name: Inner Boot
More Info
Fits the following Vehicles:
2005-2011 Mercury Mariner | 4 Cyl 2.3L, 4 Cyl 2.3L Hybrid Gas/Electric DOHC, 4 Cyl 2.5L Duratec (110kW/150PS), 4 Cyl 2.5L PFI Gas/Electric, 6 Cyl 3.0L DOHC EFI Modular, 6 Cyl 3.0L OHC Duratec | 5-Speed Manual Transmission, 5-Speed Manual Transmission - AK, 6-Speed Automatic Transmission 6F Mid-Range, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Right Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive, Two-Wheel Drive (Left Hand Drive), Two-Wheel Drive (Right Hand Drive)
Less Info
View related parts
Mercury Mariner Boot
Part Number: 5L8Z-4A331-DA
- Other Name: Inner Boot
- Manufacturer Note: Outer
More Info
Fits the following Vehicles:
2005-2006 Mercury Mariner | 4 Cyl 2.3L, 4 Cyl 2.3L Hybrid Gas/Electric DOHC, 6 Cyl 3.0L DOHC EFI Modular | 4AT CD4E, 5-Speed Manual Transmission, 5-Speed Manual Transmission - AK, CVT Auto Trans Powersplit Elec, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Right Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
Less Info
View related parts
Mercury Mariner Boot
Part Number: YL8Z-3A331-BA
- Other Name: Inner Boot
- Position: Passenger Side/Driver Side
More Info
Fits the following Vehicles:
2005-2006 Mercury Mariner | 5-Speed Manual Transmission, 5-Speed Manual Transmission - AK, Four-Wheel Drive (Full Time) (Left Hand Drive), Left Hand Drive, Two-Wheel Drive (Left Hand Drive)
Less Info

Mercury Mariner CV Boot Parts Questions & Answers

Boot
YL8Z-3A331-AA
Q: How to replace CV joints and boots?
A: If CV joints show wear, consider rebuilt CV axles or split boots from auto parts stores to save time. ABS-equipped models need ABS sensor rings inspection for any damage. To overhaul, remove the CV axle, then the inner CV joint and boot. Mark the tripod-outer race relationship before disassembling, cleaning, and inspecting the tripod assembly for abnormal wear. Replace if necessary. During reassembly, slide on the clamps and boot, install new stop-ring and bearing retainer clip, repack with CV joint grease, equalize boot pressure, and tighten boot clamps. Reinstall the CV axle.

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