🔧 Hell on Wheels

2005 Jeep Grand Cherokee WK — 4.7L V8 Head Gasket Parts List

Engine: 4.7L PowerTech V8 (SOHC, 16V, aluminum block + heads) Vehicle: 2005 Jeep Grand Cherokee (WK) Est. parts cost: $400-$700 (with timing set + water pump) / $250-$350 (head gasket only)


🔴 Section 1: Mandatory — Must Buy

These parts are consumed by the repair and cannot be reused.

Gaskets & Seals

Part Qty Part Number Details
Head gasket set 1 Fel-Pro HS 26212 PT Includes: head gaskets, intake/exhaust/valve cover gaskets, manifold gaskets, seals
Alternate 1 Mahle 43739 Equivalent quality, often cheaper
Alternate (OEM) 2 Mopar 53021090AC Sold individually — buy 2
Intake manifold lower gasket 1 Fel-Pro MS 98079 T Plastic carrier, 8-hole. Between lower intake & heads.
Alternate 1 Mahle MS19297
Exhaust manifold gasket 2 Fel-Pro MS 93533 One per side. 4.7L specific shape.
Valve cover gasket set 1 Fel-Pro VS 50525 R Includes 2 gaskets + 12 grommets
Throttle body gasket 1 Fel-Pro 60953 Between TB & upper intake
Thermostat gasket 1 Mopar 52028118 Or cut your own — but don't.
Timing cover gasket set 1 Fel-Pro TCS 45403 Includes front crank seal, cam seals, water pump gasket, cover gasket

Head Bolts (TTY — Torque To Yield)

Part Qty Part Number Details
Head bolts (set) 1 Fel-Pro ES 73326 16 bolts. Grade 10.9.
Alternate 1 ARP 254-3701 Not TTY — reusable, higher clamp load. Requires different torque spec.
Alternate (OEM) 16 Mopar 53021188AC ~$6-8 each — expensive

Fasteners that CANNOT be reused

Part Qty Part Number Reason
Harmonic balancer bolt 1 Mopar 53021059AB Stretch/TTY. Reuse = risk of backing out → destroyed crank
Alternate 1 ARP 350-1801 Reusable, better quality
Exhaust manifold bolts 8 Dorman 03108 4.7L specific. Expect to break at least 2. Buy ahead.
Alternate 8 OEM 6508018AA Mopar originals

🟡 Section 2: Strongly Recommended (Do While You're In There)

These are behind the timing cover or buried under the intake — don't skip them.

Timing Components

Part Qty Part Number Details
Timing chain set 1 Cloyes C-3010K Chain + 2 guides + tensioner + sprockets
Alternate 1 Melling 3-1252S Same content, good quality
Alternate 1 Iwis (OEM) Buy chain + guides individually if OEM preference
Timing chain tensioner 1 Mopar 53021073AC Hydraulic — pre-filled. Don't compress before install.
Timing chain guide (driver side) 1 Mopar 53021069AD Worn plastic guides = slappy chain noise
Timing chain guide (passenger — integral with tensioner) Included in tensioner assembly above
Crank sprocket 1 Mopar 53021068AA Keyway wears out over time
Cam sprockets 2 Cloyes C-1034K Only if original sprockets show wear on teeth

Cooling System

Part Qty Part Number Details
Water pump 1 Mopar 53021030AE Lives behind timing cover. Do it now.
Alternate 1 Gates 44312 Good quality, cheaper
Alternate 1 Airtex AW5917 Budget option
Thermostat 1 Mopar 52028118 195°F — DO NOT use 180°F, computer won't tune right
Alternate 1 Stant 45359 Fail-safe design — locks open if overheated
Coolant (concentrate) 2 gal Zerex G05 (ZRXG05HC) HOAT — purple/orange compatible. Mix 50/50 with distilled.
Alternate 2 gal Mopar 68163849AA OEM HOAT. Expensive.
Distilled water 2 gal Any grocery store For 50/50 mix
Heater hose quick-connects 2 Dorman 800-356 Plastic ones at rear of intake crack and leak
Upper radiator hose 1 Gates 22837 20 years old — it's ready
Lower radiator hose 1 Gates 22803 Same

Lubrication

Part Qty Part Number Details
Oil pump 1 Melling M-258 Behind timing cover. Replace while it's off.
Alternate 1 Mopar 53021031AC OEM — expensive
Engine oil (break-in) 6 qt Any 5W-20 or 5W-30 conventional Change after 100 miles
Oil filter 1 Wix 51515 (NAPA Gold 1515) Good quality, 20 micron
Alternate 1 Mopar 52810900AC OEM
Crank seal (front) 1 Included in timing cover gasket set Behind harmonic balancer
Cam seals 2 Included in timing cover gasket set Behind cam sprockets

Ignition

Part Qty Part Number Details
Spark plugs 8 NGK 3199 (copper) OEM spec, cheap, replace every 30K
Alternate 8 NGK 92001 (iridium) Longer life, $
Alternate 8 Champion 7995 (copper) Also OEM-spec
Coil boots / springs 8 Dorman 926-953 Cracked boots cause misfires
Alternate 8 Victor Reinz 71-36002-00 Cheaper

🟢 Section 3: Inspection-Based (Buy as Needed)

Check these while it's apart — order if bad.

Part Qty Part Number When to Replace
Passenger exhaust manifold 1 Mopar 53021020AC Cracked between #2-#3 cylinders (common)
Alternate 1 Dorman 674-572 Cast iron, cheaper
Driver exhaust manifold 1 Mopar 53021019AC Less prone to cracking
Radiator 1 Dorman 214-180 If plastic tanks are brown/cracked
OEM 55055408AE
Radiator cap 1 Stant 10233 16 PSI — replace if rubber seal is hard
Fan clutch 1 N/A Not applicable — electric fan on WK
Serpentine belt 1 Gates K080685 If cracked or glazed
Belt tensioner 1 Gates 38338 If belt was squeaking or tensioner wobbles
Idler pulley 1 Dayco 89009 If bearing is rough/gritty
Injector O-rings 8 Fel-Pro ES 72738 If injectors were leaking or you disturbed them
Intake manifold vacuum lines Various 3/16" & 1/4" hose If hard/brittle at rear of intake
PCV valve 1 Mopar 53021058AA Behind driver valve cover — if rattly
Engine mounts 2 Anchor 2753 (driver) / 2783 (passenger) If collapsed — easier with engine out of the way
Valve stem seals 16 Fel-Pro SS 74635 If valve guides are worn — machine shop install

🔧 Section 4: Consumables & Shop Supplies

Item Qty Suggested Product Purpose
RTV silicone (high-temp) 1 Permatex 82180 (Ultra Black) Timing cover-to-pan junction, valve cover cam cap corners
Alternate 1 Mopar 82180016AA OEM
Brake cleaner 4 cans CRC 05089 Cleaning gasket surfaces
Threadlocker (medium) 1 Loctite 242 (blue) Exhaust manifold bolts, accessory bolts
Anti-seize 1 Permatex 81343 Spark plug threads, exhaust bolts
Kroil / PB Blaster 1 can Kano Kroil or PB Blaster Soak exhaust bolts day before
Coolant flush 1 Prestone 16 oz Flush block before reassembly
Rags / shop towels 1 box Scott shop towels Lots of cleanup
Zip ties (various) 1 bag Harbor Freight Holding A/C compressor, hoses aside
Sharpie / paint pen 2 Any Marking timing chain, bolt positions
Ziploc bags (various) 1 box Any Labeling bolts by location
Masking tape + marker 1 Any Labeling connectors and hoses
Magnetic parts tray 1 Harbor Freight 69330 Don't drop bolts into engine valley
Disposable gloves 1 box Nitrile Your hands will thank you

🛠️ Section 5: Tools (If You Don't Have Them)

Tool Why Needed Cost
Torque wrench (3/8" drive, ft-lb) Head bolts, exhaust manifold $40-80
Torque wrench (1/4" drive, in-lb) Intake manifold, valve covers, timing cover $30-60
Angle gauge / protractor TTY head bolt final 90° stage $15-25
E10 / E12 inverted torx socket Exhaust manifold bolts (4.7L specific) $10-15
3/8" swivel socket set Rear exhaust manifold bolts against firewall $15-30
Long extension set (6", 12", 18") Accessing rear bolts $15-25
M11 x 1.5 tap Chasing head bolt threads in block $15-20
Tap handle For the tap $10-15
Harmonic balancer puller Removing crank pulley $15-25
Harmonic balancer installer Installing crank pulley — do NOT hammer it $20-35
Plastic razor blades Cleaning aluminum gasket surfaces without scoring $8-12
Straight edge + feeler gauges Checking head warpage $20-30
Pick set Cleaning out threadlocker from block holes $8-15
Dowel pin puller (or vise grips) Removing alignment dowels from block Free
Coolant vacuum fill tool Prevents air pockets in 4.7L cooling system $40-60
Alternative: Spill-free funnel kit Lisle 24680 — burp without mess $25-35
Compressed air + blow gun Blowing out tap debris from block holes $-
Digital multimeter Testing sensors before reassembly $10-20
Engine hoist (cherry picker) If pulling engine — easier on WK, not required Rent ~$40/day
Engine stand Only if pulling engine $40-60

💰 Budget Summary

Scenario Parts Cost
Bare minimum (head gaskets + bolts + oil + coolant) ~$200-300
Recommended (above + timing set + water pump + oil pump + thermostat + intake gaskets) ~$450-650
Do-everything (above + exhaust manifolds + radiator + hoses + mounts + all seals) ~$700-1,000

📦 Suggested Order List (Recommended Tier)

Put this in your cart:

1x  Fel-Pro HS 26212 PT         — Head gasket set
1x  Fel-Pro ES 73326            — Head bolts
1x  Fel-Pro TCS 45403           — Timing cover gasket set
1x  Fel-Pro MS 98079 T          — Lower intake gaskets
1x  Fel-Pro VS 50525 R          — Valve cover gaskets
2x  Fel-Pro MS 93533            — Exhaust manifold gaskets
1x  Cloyes C-3010K              — Timing chain set
1x  Mopar 53021073AC            — Timing chain tensioner
1x  Melling M-258                — Oil pump
1x  Mopar 53021030AE            — Water pump
1x  Mopar 52028118              — Thermostat + gasket
1x  Mopar 53021059AB            — Harmonic balancer bolt
8x  NGK 3199                     — Spark plugs
1x  Wix 51515                    — Oil filter
6qt 5W-20 conventional          — Break-in oil
2gal Zerex G05 concentrate       — Coolant
2gal distilled water
1x  Permatex 82180 (Ultra Black) — RTV
8x  Dorman 03108                 — Exhaust manifold bolts (have extras)
2x  Dorman 800-356               — Heater hose quick-connects
4x  CRC 05089                    — Brake cleaner
1x  Permatex 81343              — Anti-seize

Estimated total: ~$450-550 depending on where you shop.